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Finding the Fourth Proportional to 354,776.64, 532,187.04 and 118,140.48

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Solution

The fourth proportional to 354,776.64, 532,187.04 and 118,140.48 is: 177,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,776.64 : 532,187.04 = 118,140.48 : x
  2. Step 2: Convert to fraction form
    354,776.64/532,187.04 = 118,140.48/x
  3. Step 3: Cross multiply
    354,776.64x = 532,187.04 × 118,140.48
  4. Step 4: Simplify right side
    354,776.64x = 62,872,832,355.38
  5. Step 5: Solve for x
    x = 62,872,832,355.38/354,776.64
  6. Step 6: Final answer
    x = 177,218.07

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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.