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Finding the Fourth Proportional to 243,547.12, 365,355.11 and 75,081.16

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Solution

The fourth proportional to 243,547.12, 365,355.11 and 75,081.16 is: 112,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,547.12 : 365,355.11 = 75,081.16 : x
  2. Step 2: Convert to fraction form
    243,547.12/365,355.11 = 75,081.16/x
  3. Step 3: Cross multiply
    243,547.12x = 365,355.11 × 75,081.16
  4. Step 4: Simplify right side
    243,547.12x = 27,431,285,470.73
  5. Step 5: Solve for x
    x = 27,431,285,470.73/243,547.12
  6. Step 6: Final answer
    x = 112,632.35

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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.