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Finding the Fourth Proportional to 171,997,905.80, 241,477,312.60 and 171,997,905.80

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Solution

The fourth proportional to 171,997,905.80, 241,477,312.60 and 171,997,905.80 is: 241,477,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,997,905.80 : 241,477,312.60 = 171,997,905.80 : x
  2. Step 2: Convert to fraction form
    171,997,905.80/241,477,312.60 = 171,997,905.80/x
  3. Step 3: Cross multiply
    171,997,905.80x = 241,477,312.60 × 171,997,905.80
  4. Step 4: Simplify right side
    171,997,905.80x = 41,533,592,065,411,952
  5. Step 5: Solve for x
    x = 41,533,592,065,411,952/171,997,905.80
  6. Step 6: Final answer
    x = 241,477,312.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.