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Finding the Fourth Proportional to 98,920.17, 136,509.96 and 53,598.14

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Solution

The fourth proportional to 98,920.17, 136,509.96 and 53,598.14 is: 73,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,920.17 : 136,509.96 = 53,598.14 : x
  2. Step 2: Convert to fraction form
    98,920.17/136,509.96 = 53,598.14/x
  3. Step 3: Cross multiply
    98,920.17x = 136,509.96 × 53,598.14
  4. Step 4: Simplify right side
    98,920.17x = 7,316,680,722.59
  5. Step 5: Solve for x
    x = 7,316,680,722.59/98,920.17
  6. Step 6: Final answer
    x = 73,965.51

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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.