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Finding the Fourth Proportional to 142,417.60, 213,607.86 and 37,244.68

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Solution

The fourth proportional to 142,417.60, 213,607.86 and 37,244.68 is: 55,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,417.60 : 213,607.86 = 37,244.68 : x
  2. Step 2: Convert to fraction form
    142,417.60/213,607.86 = 37,244.68/x
  3. Step 3: Cross multiply
    142,417.60x = 213,607.86 × 37,244.68
  4. Step 4: Simplify right side
    142,417.60x = 7,955,756,391.18
  5. Step 5: Solve for x
    x = 7,955,756,391.18/142,417.60
  6. Step 6: Final answer
    x = 55,862.17

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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.