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Finding the Fourth Proportional to 207,041.76, 310,635.54 and 101,934.54

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Solution

The fourth proportional to 207,041.76, 310,635.54 and 101,934.54 is: 152,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,041.76 : 310,635.54 = 101,934.54 : x
  2. Step 2: Convert to fraction form
    207,041.76/310,635.54 = 101,934.54/x
  3. Step 3: Cross multiply
    207,041.76x = 310,635.54 × 101,934.54
  4. Step 4: Simplify right side
    207,041.76x = 31,664,490,877.55
  5. Step 5: Solve for x
    x = 31,664,490,877.55/207,041.76
  6. Step 6: Final answer
    x = 152,937.70

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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.