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Finding the Fourth Proportional to 99,053.52, 148,630.20 and 36,730.32

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Solution

The fourth proportional to 99,053.52, 148,630.20 and 36,730.32 is: 55,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,053.52 : 148,630.20 = 36,730.32 : x
  2. Step 2: Convert to fraction form
    99,053.52/148,630.20 = 36,730.32/x
  3. Step 3: Cross multiply
    99,053.52x = 148,630.20 × 36,730.32
  4. Step 4: Simplify right side
    99,053.52x = 5,459,234,807.66
  5. Step 5: Solve for x
    x = 5,459,234,807.66/99,053.52
  6. Step 6: Final answer
    x = 55,113.99

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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.