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Finding the Fourth Proportional to 176,326.91, 243,333.95 and 99,843.93

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Solution

The fourth proportional to 176,326.91, 243,333.95 and 99,843.93 is: 137,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,326.91 : 243,333.95 = 99,843.93 : x
  2. Step 2: Convert to fraction form
    176,326.91/243,333.95 = 99,843.93/x
  3. Step 3: Cross multiply
    176,326.91x = 243,333.95 × 99,843.93
  4. Step 4: Simplify right side
    176,326.91x = 24,295,417,870.42
  5. Step 5: Solve for x
    x = 24,295,417,870.42/176,326.91
  6. Step 6: Final answer
    x = 137,786.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.