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Finding the Fourth Proportional to 239,699.20, 359,937.60 and 173,603.20

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Solution

The fourth proportional to 239,699.20, 359,937.60 and 173,603.20 is: 260,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,699.20 : 359,937.60 = 173,603.20 : x
  2. Step 2: Convert to fraction form
    239,699.20/359,937.60 = 173,603.20/x
  3. Step 3: Cross multiply
    239,699.20x = 359,937.60 × 173,603.20
  4. Step 4: Simplify right side
    239,699.20x = 62,486,319,160.32
  5. Step 5: Solve for x
    x = 62,486,319,160.32/239,699.20
  6. Step 6: Final answer
    x = 260,686.39

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1.5x scale

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.