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Finding the Fourth Proportional to 104,718.72, 144,499.20 and 59,393.28

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Solution

The fourth proportional to 104,718.72, 144,499.20 and 59,393.28 is: 81,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,718.72 : 144,499.20 = 59,393.28 : x
  2. Step 2: Convert to fraction form
    104,718.72/144,499.20 = 59,393.28/x
  3. Step 3: Cross multiply
    104,718.72x = 144,499.20 × 59,393.28
  4. Step 4: Simplify right side
    104,718.72x = 8,582,281,445.38
  5. Step 5: Solve for x
    x = 8,582,281,445.38/104,718.72
  6. Step 6: Final answer
    x = 81,955.56

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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.