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Finding the Fourth Proportional to 243,809.88, 365,382.65 and 117,440.93

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Solution

The fourth proportional to 243,809.88, 365,382.65 and 117,440.93 is: 176,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,809.88 : 365,382.65 = 117,440.93 : x
  2. Step 2: Convert to fraction form
    243,809.88/365,382.65 = 117,440.93/x
  3. Step 3: Cross multiply
    243,809.88x = 365,382.65 × 117,440.93
  4. Step 4: Simplify right side
    243,809.88x = 42,910,875,807.75
  5. Step 5: Solve for x
    x = 42,910,875,807.75/243,809.88
  6. Step 6: Final answer
    x = 176,001.38

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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.