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Finding the Fourth Proportional to 95,938.81, 132,354.71 and 70,400.80

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Solution

The fourth proportional to 95,938.81, 132,354.71 and 70,400.80 is: 97,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,938.81 : 132,354.71 = 70,400.80 : x
  2. Step 2: Convert to fraction form
    95,938.81/132,354.71 = 70,400.80/x
  3. Step 3: Cross multiply
    95,938.81x = 132,354.71 × 70,400.80
  4. Step 4: Simplify right side
    95,938.81x = 9,317,877,467.77
  5. Step 5: Solve for x
    x = 9,317,877,467.77/95,938.81
  6. Step 6: Final answer
    x = 97,123.13

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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.