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Finding the Fourth Proportional to 176,325.91, 243,332.57 and 99,842.93

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Solution

The fourth proportional to 176,325.91, 243,332.57 and 99,842.93 is: 137,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,325.91 : 243,332.57 = 99,842.93 : x
  2. Step 2: Convert to fraction form
    176,325.91/243,332.57 = 99,842.93/x
  3. Step 3: Cross multiply
    176,325.91x = 243,332.57 × 99,842.93
  4. Step 4: Simplify right side
    176,325.91x = 24,295,036,277.46
  5. Step 5: Solve for x
    x = 24,295,036,277.46/176,325.91
  6. Step 6: Final answer
    x = 137,784.84

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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.