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Finding the Fourth Proportional to 94,691.60, 142,037.40 and 93,136.40

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Solution

The fourth proportional to 94,691.60, 142,037.40 and 93,136.40 is: 139,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,691.60 : 142,037.40 = 93,136.40 : x
  2. Step 2: Convert to fraction form
    94,691.60/142,037.40 = 93,136.40/x
  3. Step 3: Cross multiply
    94,691.60x = 142,037.40 × 93,136.40
  4. Step 4: Simplify right side
    94,691.60x = 13,228,852,101.36
  5. Step 5: Solve for x
    x = 13,228,852,101.36/94,691.60
  6. Step 6: Final answer
    x = 139,704.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.