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Finding the Fourth Proportional to 98,658.70, 147,998.85 and 95,548.30

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Solution

The fourth proportional to 98,658.70, 147,998.85 and 95,548.30 is: 143,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,658.70 : 147,998.85 = 95,548.30 : x
  2. Step 2: Convert to fraction form
    98,658.70/147,998.85 = 95,548.30/x
  3. Step 3: Cross multiply
    98,658.70x = 147,998.85 × 95,548.30
  4. Step 4: Simplify right side
    98,658.70x = 14,141,038,519.46
  5. Step 5: Solve for x
    x = 14,141,038,519.46/98,658.70
  6. Step 6: Final answer
    x = 143,332.91

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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.