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Finding the Fourth Proportional to 207,124.59, 310,683.72 and 93,191.91

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Solution

The fourth proportional to 207,124.59, 310,683.72 and 93,191.91 is: 139,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,124.59 : 310,683.72 = 93,191.91 : x
  2. Step 2: Convert to fraction form
    207,124.59/310,683.72 = 93,191.91/x
  3. Step 3: Cross multiply
    207,124.59x = 310,683.72 × 93,191.91
  4. Step 4: Simplify right side
    207,124.59x = 28,953,209,272.71
  5. Step 5: Solve for x
    x = 28,953,209,272.71/207,124.59
  6. Step 6: Final answer
    x = 139,786.44

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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.