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Finding the Fourth Proportional to 235,531.17, 352,851.72 and 139,180.98

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Solution

The fourth proportional to 235,531.17, 352,851.72 and 139,180.98 is: 208,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,531.17 : 352,851.72 = 139,180.98 : x
  2. Step 2: Convert to fraction form
    235,531.17/352,851.72 = 139,180.98/x
  3. Step 3: Cross multiply
    235,531.17x = 352,851.72 × 139,180.98
  4. Step 4: Simplify right side
    235,531.17x = 49,110,248,184.29
  5. Step 5: Solve for x
    x = 49,110,248,184.29/235,531.17
  6. Step 6: Final answer
    x = 208,508.49

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1.5x scale

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.