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Finding the Fourth Proportional to 240,116.32, 360,188.56 and 90,357.91

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Solution

The fourth proportional to 240,116.32, 360,188.56 and 90,357.91 is: 135,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,116.32 : 360,188.56 = 90,357.91 : x
  2. Step 2: Convert to fraction form
    240,116.32/360,188.56 = 90,357.91/x
  3. Step 3: Cross multiply
    240,116.32x = 360,188.56 × 90,357.91
  4. Step 4: Simplify right side
    240,116.32x = 32,545,884,699.99
  5. Step 5: Solve for x
    x = 32,545,884,699.99/240,116.32
  6. Step 6: Final answer
    x = 135,542.16

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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.