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Finding the Fourth Proportional to 119,347.68, 179,030.16 and 36,248.16

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Solution

The fourth proportional to 119,347.68, 179,030.16 and 36,248.16 is: 54,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,347.68 : 179,030.16 = 36,248.16 : x
  2. Step 2: Convert to fraction form
    119,347.68/179,030.16 = 36,248.16/x
  3. Step 3: Cross multiply
    119,347.68x = 179,030.16 × 36,248.16
  4. Step 4: Simplify right side
    119,347.68x = 6,489,513,884.51
  5. Step 5: Solve for x
    x = 6,489,513,884.51/119,347.68
  6. Step 6: Final answer
    x = 54,374.86

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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.