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Finding the Fourth Proportional to 240,769.86, 360,957.66 and 90,925.08

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Solution

The fourth proportional to 240,769.86, 360,957.66 and 90,925.08 is: 136,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,769.86 : 360,957.66 = 90,925.08 : x
  2. Step 2: Convert to fraction form
    240,769.86/360,957.66 = 90,925.08/x
  3. Step 3: Cross multiply
    240,769.86x = 360,957.66 × 90,925.08
  4. Step 4: Simplify right side
    240,769.86x = 32,820,104,112.11
  5. Step 5: Solve for x
    x = 32,820,104,112.11/240,769.86
  6. Step 6: Final answer
    x = 136,313.18

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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.