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Finding the Fourth Proportional to 114,207, 157,605.66 and 63,915.72

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Solution

The fourth proportional to 114,207, 157,605.66 and 63,915.72 is: 88,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,207 : 157,605.66 = 63,915.72 : x
  2. Step 2: Convert to fraction form
    114,207/157,605.66 = 63,915.72/x
  3. Step 3: Cross multiply
    114,207x = 157,605.66 × 63,915.72
  4. Step 4: Simplify right side
    114,207x = 10,073,479,234.98
  5. Step 5: Solve for x
    x = 10,073,479,234.98/114,207
  6. Step 6: Final answer
    x = 88,203.69

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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.