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Finding the Fourth Proportional to 100,718.88, 151,010.16 and 56,376.24

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Solution

The fourth proportional to 100,718.88, 151,010.16 and 56,376.24 is: 84,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,718.88 : 151,010.16 = 56,376.24 : x
  2. Step 2: Convert to fraction form
    100,718.88/151,010.16 = 56,376.24/x
  3. Step 3: Cross multiply
    100,718.88x = 151,010.16 × 56,376.24
  4. Step 4: Simplify right side
    100,718.88x = 8,513,385,022.60
  5. Step 5: Solve for x
    x = 8,513,385,022.60/100,718.88
  6. Step 6: Final answer
    x = 84,526.21

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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.