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Finding the Fourth Proportional to 243,036.70, 364,445.70 and 93,227.20

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Solution

The fourth proportional to 243,036.70, 364,445.70 and 93,227.20 is: 139,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,036.70 : 364,445.70 = 93,227.20 : x
  2. Step 2: Convert to fraction form
    243,036.70/364,445.70 = 93,227.20/x
  3. Step 3: Cross multiply
    243,036.70x = 364,445.70 × 93,227.20
  4. Step 4: Simplify right side
    243,036.70x = 33,976,252,163.04
  5. Step 5: Solve for x
    x = 33,976,252,163.04/243,036.70
  6. Step 6: Final answer
    x = 139,798.85

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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.