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Finding the Fourth Proportional to 111,497.64, 153,864.55 and 63,098.67

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Solution

The fourth proportional to 111,497.64, 153,864.55 and 63,098.67 is: 87,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497.64 : 153,864.55 = 63,098.67 : x
  2. Step 2: Convert to fraction form
    111,497.64/153,864.55 = 63,098.67/x
  3. Step 3: Cross multiply
    111,497.64x = 153,864.55 × 63,098.67
  4. Step 4: Simplify right side
    111,497.64x = 9,708,648,465.15
  5. Step 5: Solve for x
    x = 9,708,648,465.15/111,497.64
  6. Step 6: Final answer
    x = 87,074.92

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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.