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Finding the Fourth Proportional to 111,211.67, 153,483.08 and 63,472.16

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Solution

The fourth proportional to 111,211.67, 153,483.08 and 63,472.16 is: 87,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,211.67 : 153,483.08 = 63,472.16 : x
  2. Step 2: Convert to fraction form
    111,211.67/153,483.08 = 63,472.16/x
  3. Step 3: Cross multiply
    111,211.67x = 153,483.08 × 63,472.16
  4. Step 4: Simplify right side
    111,211.67x = 9,741,901,526.28
  5. Step 5: Solve for x
    x = 9,741,901,526.28/111,211.67
  6. Step 6: Final answer
    x = 87,597.84

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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.