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Finding the Fourth Proportional to 70,959.78, 106,337.61 and 48,798.18

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Solution

The fourth proportional to 70,959.78, 106,337.61 and 48,798.18 is: 73,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,959.78 : 106,337.61 = 48,798.18 : x
  2. Step 2: Convert to fraction form
    70,959.78/106,337.61 = 48,798.18/x
  3. Step 3: Cross multiply
    70,959.78x = 106,337.61 × 48,798.18
  4. Step 4: Simplify right side
    70,959.78x = 5,189,081,833.55
  5. Step 5: Solve for x
    x = 5,189,081,833.55/70,959.78
  6. Step 6: Final answer
    x = 73,127.08

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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.