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Finding the Fourth Proportional to 499,689.08, 749,425.06 and 158,159.06

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Solution

The fourth proportional to 499,689.08, 749,425.06 and 158,159.06 is: 237,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,689.08 : 749,425.06 = 158,159.06 : x
  2. Step 2: Convert to fraction form
    499,689.08/749,425.06 = 158,159.06/x
  3. Step 3: Cross multiply
    499,689.08x = 749,425.06 × 158,159.06
  4. Step 4: Simplify right side
    499,689.08x = 118,528,363,030.04
  5. Step 5: Solve for x
    x = 118,528,363,030.04/499,689.08
  6. Step 6: Final answer
    x = 237,204.23

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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.