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Finding the Fourth Proportional to 207,337, 286,159.62 and 156,948.52

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Solution

The fourth proportional to 207,337, 286,159.62 and 156,948.52 is: 216,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,337 : 286,159.62 = 156,948.52 : x
  2. Step 2: Convert to fraction form
    207,337/286,159.62 = 156,948.52/x
  3. Step 3: Cross multiply
    207,337x = 286,159.62 × 156,948.52
  4. Step 4: Simplify right side
    207,337x = 44,912,328,842.76
  5. Step 5: Solve for x
    x = 44,912,328,842.76/207,337
  6. Step 6: Final answer
    x = 216,615.12

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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.