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Finding the Fourth Proportional to 352,118.52, 528,172.32 and 141,751.32

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Solution

The fourth proportional to 352,118.52, 528,172.32 and 141,751.32 is: 212,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,118.52 : 528,172.32 = 141,751.32 : x
  2. Step 2: Convert to fraction form
    352,118.52/528,172.32 = 141,751.32/x
  3. Step 3: Cross multiply
    352,118.52x = 528,172.32 × 141,751.32
  4. Step 4: Simplify right side
    352,118.52x = 74,869,123,547.46
  5. Step 5: Solve for x
    x = 74,869,123,547.46/352,118.52
  6. Step 6: Final answer
    x = 212,624.78

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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.