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Finding the Fourth Proportional to 240,337.68, 360,531.24 and 90,703.95

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Solution

The fourth proportional to 240,337.68, 360,531.24 and 90,703.95 is: 136,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,337.68 : 360,531.24 = 90,703.95 : x
  2. Step 2: Convert to fraction form
    240,337.68/360,531.24 = 90,703.95/x
  3. Step 3: Cross multiply
    240,337.68x = 360,531.24 × 90,703.95
  4. Step 4: Simplify right side
    240,337.68x = 32,701,607,566.40
  5. Step 5: Solve for x
    x = 32,701,607,566.40/240,337.68
  6. Step 6: Final answer
    x = 136,065.25

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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.