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Finding the Fourth Proportional to 99,000.70, 148,501.05 and 92,002.30

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Solution

The fourth proportional to 99,000.70, 148,501.05 and 92,002.30 is: 138,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,000.70 : 148,501.05 = 92,002.30 : x
  2. Step 2: Convert to fraction form
    99,000.70/148,501.05 = 92,002.30/x
  3. Step 3: Cross multiply
    99,000.70x = 148,501.05 × 92,002.30
  4. Step 4: Simplify right side
    99,000.70x = 13,662,438,152.42
  5. Step 5: Solve for x
    x = 13,662,438,152.42/99,000.70
  6. Step 6: Final answer
    x = 138,003.45

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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.