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Finding the Fourth Proportional to 243,345.60, 365,014.08 and 124,947.36

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Solution

The fourth proportional to 243,345.60, 365,014.08 and 124,947.36 is: 187,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,345.60 : 365,014.08 = 124,947.36 : x
  2. Step 2: Convert to fraction form
    243,345.60/365,014.08 = 124,947.36/x
  3. Step 3: Cross multiply
    243,345.60x = 365,014.08 × 124,947.36
  4. Step 4: Simplify right side
    243,345.60x = 45,607,545,658.83
  5. Step 5: Solve for x
    x = 45,607,545,658.83/243,345.60
  6. Step 6: Final answer
    x = 187,418.82

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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.