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Finding the Fourth Proportional to 171,623,855.60, 257,435,783.40 and 171,623,855.60

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Solution

The fourth proportional to 171,623,855.60, 257,435,783.40 and 171,623,855.60 is: 257,435,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,623,855.60 : 257,435,783.40 = 171,623,855.60 : x
  2. Step 2: Convert to fraction form
    171,623,855.60/257,435,783.40 = 171,623,855.60/x
  3. Step 3: Cross multiply
    171,623,855.60x = 257,435,783.40 × 171,623,855.60
  4. Step 4: Simplify right side
    171,623,855.60x = 44,182,121,716,514,480
  5. Step 5: Solve for x
    x = 44,182,121,716,514,480/171,623,855.60
  6. Step 6: Final answer
    x = 257,435,783.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.