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Finding the Fourth Proportional to 242,341.61, 363,507.21 and 64,848.60

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Solution

The fourth proportional to 242,341.61, 363,507.21 and 64,848.60 is: 97,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,341.61 : 363,507.21 = 64,848.60 : x
  2. Step 2: Convert to fraction form
    242,341.61/363,507.21 = 64,848.60/x
  3. Step 3: Cross multiply
    242,341.61x = 363,507.21 × 64,848.60
  4. Step 4: Simplify right side
    242,341.61x = 23,572,933,658.41
  5. Step 5: Solve for x
    x = 23,572,933,658.41/242,341.61
  6. Step 6: Final answer
    x = 97,271.51

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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.