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Finding the Fourth Proportional to 176,332.59, 243,336.69 and 99,866.57

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Solution

The fourth proportional to 176,332.59, 243,336.69 and 99,866.57 is: 137,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,332.59 : 243,336.69 = 99,866.57 : x
  2. Step 2: Convert to fraction form
    176,332.59/243,336.69 = 99,866.57/x
  3. Step 3: Cross multiply
    176,332.59x = 243,336.69 × 99,866.57
  4. Step 4: Simplify right side
    176,332.59x = 24,301,199,368.77
  5. Step 5: Solve for x
    x = 24,301,199,368.77/176,332.59
  6. Step 6: Final answer
    x = 137,814.57

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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.