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Finding the Fourth Proportional to 156,574.40, 234,559.31 and 93,444.93

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Solution

The fourth proportional to 156,574.40, 234,559.31 and 93,444.93 is: 139,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,574.40 : 234,559.31 = 93,444.93 : x
  2. Step 2: Convert to fraction form
    156,574.40/234,559.31 = 93,444.93/x
  3. Step 3: Cross multiply
    156,574.40x = 234,559.31 × 93,444.93
  4. Step 4: Simplify right side
    156,574.40x = 21,918,377,836.57
  5. Step 5: Solve for x
    x = 21,918,377,836.57/156,574.40
  6. Step 6: Final answer
    x = 139,986.99

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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.