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Finding the Fourth Proportional to 127,881.74, 176,472.73 and 70,523.46

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Solution

The fourth proportional to 127,881.74, 176,472.73 and 70,523.46 is: 97,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,881.74 : 176,472.73 = 70,523.46 : x
  2. Step 2: Convert to fraction form
    127,881.74/176,472.73 = 70,523.46/x
  3. Step 3: Cross multiply
    127,881.74x = 176,472.73 × 70,523.46
  4. Step 4: Simplify right side
    127,881.74x = 12,445,467,206.71
  5. Step 5: Solve for x
    x = 12,445,467,206.71/127,881.74
  6. Step 6: Final answer
    x = 97,320.13

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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.