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Finding the Fourth Proportional to 173,502.90, 239,484.78 and 100,922.76

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Solution

The fourth proportional to 173,502.90, 239,484.78 and 100,922.76 is: 139,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,502.90 : 239,484.78 = 100,922.76 : x
  2. Step 2: Convert to fraction form
    173,502.90/239,484.78 = 100,922.76/x
  3. Step 3: Cross multiply
    173,502.90x = 239,484.78 × 100,922.76
  4. Step 4: Simplify right side
    173,502.90x = 24,169,464,975.59
  5. Step 5: Solve for x
    x = 24,169,464,975.59/173,502.90
  6. Step 6: Final answer
    x = 139,302.95

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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.