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Finding the Fourth Proportional to 157,663.61, 236,354.76 and 57,800.49

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Solution

The fourth proportional to 157,663.61, 236,354.76 and 57,800.49 is: 86,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,663.61 : 236,354.76 = 57,800.49 : x
  2. Step 2: Convert to fraction form
    157,663.61/236,354.76 = 57,800.49/x
  3. Step 3: Cross multiply
    157,663.61x = 236,354.76 × 57,800.49
  4. Step 4: Simplify right side
    157,663.61x = 13,661,420,055.50
  5. Step 5: Solve for x
    x = 13,661,420,055.50/157,663.61
  6. Step 6: Final answer
    x = 86,649.16

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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.