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Finding the Fourth Proportional to 111,077.91, 153,295.74 and 63,332.46

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Solution

The fourth proportional to 111,077.91, 153,295.74 and 63,332.46 is: 87,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,077.91 : 153,295.74 = 63,332.46 : x
  2. Step 2: Convert to fraction form
    111,077.91/153,295.74 = 63,332.46/x
  3. Step 3: Cross multiply
    111,077.91x = 153,295.74 × 63,332.46
  4. Step 4: Simplify right side
    111,077.91x = 9,708,596,321.72
  5. Step 5: Solve for x
    x = 9,708,596,321.72/111,077.91
  6. Step 6: Final answer
    x = 87,403.48

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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.