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Finding the Fourth Proportional to 93,888.75, 129,566.48 and 54,144.75

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Solution

The fourth proportional to 93,888.75, 129,566.48 and 54,144.75 is: 74,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888.75 : 129,566.48 = 54,144.75 : x
  2. Step 2: Convert to fraction form
    93,888.75/129,566.48 = 54,144.75/x
  3. Step 3: Cross multiply
    93,888.75x = 129,566.48 × 54,144.75
  4. Step 4: Simplify right side
    93,888.75x = 7,015,344,397.26
  5. Step 5: Solve for x
    x = 7,015,344,397.26/93,888.75
  6. Step 6: Final answer
    x = 74,719.76

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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.