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Finding the Fourth Proportional to 96,802.72, 133,598.80 and 54,374.88

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Solution

The fourth proportional to 96,802.72, 133,598.80 and 54,374.88 is: 75,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,802.72 : 133,598.80 = 54,374.88 : x
  2. Step 2: Convert to fraction form
    96,802.72/133,598.80 = 54,374.88/x
  3. Step 3: Cross multiply
    96,802.72x = 133,598.80 × 54,374.88
  4. Step 4: Simplify right side
    96,802.72x = 7,264,418,718.14
  5. Step 5: Solve for x
    x = 7,264,418,718.14/96,802.72
  6. Step 6: Final answer
    x = 75,043.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.