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Finding the Fourth Proportional to 176,678.68, 243,823.08 and 101,241.76

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Solution

The fourth proportional to 176,678.68, 243,823.08 and 101,241.76 is: 139,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,678.68 : 243,823.08 = 101,241.76 : x
  2. Step 2: Convert to fraction form
    176,678.68/243,823.08 = 101,241.76/x
  3. Step 3: Cross multiply
    176,678.68x = 243,823.08 × 101,241.76
  4. Step 4: Simplify right side
    176,678.68x = 24,685,077,747.82
  5. Step 5: Solve for x
    x = 24,685,077,747.82/176,678.68
  6. Step 6: Final answer
    x = 139,717.35

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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.