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Finding the Fourth Proportional to 99,094.92, 148,715.28 and 65,803.92

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Solution

The fourth proportional to 99,094.92, 148,715.28 and 65,803.92 is: 98,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,094.92 : 148,715.28 = 65,803.92 : x
  2. Step 2: Convert to fraction form
    99,094.92/148,715.28 = 65,803.92/x
  3. Step 3: Cross multiply
    99,094.92x = 148,715.28 × 65,803.92
  4. Step 4: Simplify right side
    99,094.92x = 9,786,048,387.90
  5. Step 5: Solve for x
    x = 9,786,048,387.90/99,094.92
  6. Step 6: Final answer
    x = 98,754.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.