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Finding the Fourth Proportional to 57,910,031.89, 86,864,978.12 and 14,779,239.89

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Solution

The fourth proportional to 57,910,031.89, 86,864,978.12 and 14,779,239.89 is: 22,168,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910,031.89 : 86,864,978.12 = 14,779,239.89 : x
  2. Step 2: Convert to fraction form
    57,910,031.89/86,864,978.12 = 14,779,239.89/x
  3. Step 3: Cross multiply
    57,910,031.89x = 86,864,978.12 × 14,779,239.89
  4. Step 4: Simplify right side
    57,910,031.89x = 1,283,798,349,166,860
  5. Step 5: Solve for x
    x = 1,283,798,349,166,860/57,910,031.89
  6. Step 6: Final answer
    x = 22,168,842.04

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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.