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Finding the Fourth Proportional to 266,254.90, 367,430.88 and 158,829.46

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Solution

The fourth proportional to 266,254.90, 367,430.88 and 158,829.46 is: 219,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,254.90 : 367,430.88 = 158,829.46 : x
  2. Step 2: Convert to fraction form
    266,254.90/367,430.88 = 158,829.46/x
  3. Step 3: Cross multiply
    266,254.90x = 367,430.88 × 158,829.46
  4. Step 4: Simplify right side
    266,254.90x = 58,358,847,934.76
  5. Step 5: Solve for x
    x = 58,358,847,934.76/266,254.90
  6. Step 6: Final answer
    x = 219,184.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.