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Finding the Fourth Proportional to 325,363.42, 488,030.75 and 88,706.13

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Solution

The fourth proportional to 325,363.42, 488,030.75 and 88,706.13 is: 133,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,363.42 : 488,030.75 = 88,706.13 : x
  2. Step 2: Convert to fraction form
    325,363.42/488,030.75 = 88,706.13/x
  3. Step 3: Cross multiply
    325,363.42x = 488,030.75 × 88,706.13
  4. Step 4: Simplify right side
    325,363.42x = 43,291,317,545.15
  5. Step 5: Solve for x
    x = 43,291,317,545.15/325,363.42
  6. Step 6: Final answer
    x = 133,055.27

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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.