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Finding the Fourth Proportional to 155,165.21, 232,582.41 and 88,461.71

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Solution

The fourth proportional to 155,165.21, 232,582.41 and 88,461.71 is: 132,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,165.21 : 232,582.41 = 88,461.71 : x
  2. Step 2: Convert to fraction form
    155,165.21/232,582.41 = 88,461.71/x
  3. Step 3: Cross multiply
    155,165.21x = 232,582.41 × 88,461.71
  4. Step 4: Simplify right side
    155,165.21x = 20,574,636,541.61
  5. Step 5: Solve for x
    x = 20,574,636,541.61/155,165.21
  6. Step 6: Final answer
    x = 132,598.26

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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.