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Finding the Fourth Proportional to 98,312.79, 135,686.25 and 60,094.38

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Solution

The fourth proportional to 98,312.79, 135,686.25 and 60,094.38 is: 82,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,312.79 : 135,686.25 = 60,094.38 : x
  2. Step 2: Convert to fraction form
    98,312.79/135,686.25 = 60,094.38/x
  3. Step 3: Cross multiply
    98,312.79x = 135,686.25 × 60,094.38
  4. Step 4: Simplify right side
    98,312.79x = 8,153,981,068.28
  5. Step 5: Solve for x
    x = 8,153,981,068.28/98,312.79
  6. Step 6: Final answer
    x = 82,939.17

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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.