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Finding the Fourth Proportional to 162,574.88, 224,205.11 and 139,597.53

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Solution

The fourth proportional to 162,574.88, 224,205.11 and 139,597.53 is: 192,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,574.88 : 224,205.11 = 139,597.53 : x
  2. Step 2: Convert to fraction form
    162,574.88/224,205.11 = 139,597.53/x
  3. Step 3: Cross multiply
    162,574.88x = 224,205.11 × 139,597.53
  4. Step 4: Simplify right side
    162,574.88x = 31,298,479,339.35
  5. Step 5: Solve for x
    x = 31,298,479,339.35/162,574.88
  6. Step 6: Final answer
    x = 192,517.31

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1.5x scale

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.