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Finding the Fourth Proportional to 144,498.90, 216,737.55 and 60,237.30

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Solution

The fourth proportional to 144,498.90, 216,737.55 and 60,237.30 is: 90,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,498.90 : 216,737.55 = 60,237.30 : x
  2. Step 2: Convert to fraction form
    144,498.90/216,737.55 = 60,237.30/x
  3. Step 3: Cross multiply
    144,498.90x = 216,737.55 × 60,237.30
  4. Step 4: Simplify right side
    144,498.90x = 13,055,684,820.62
  5. Step 5: Solve for x
    x = 13,055,684,820.62/144,498.90
  6. Step 6: Final answer
    x = 90,351.45

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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.