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Finding the Fourth Proportional to 111,210.87, 153,482.04 and 63,471.45

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Solution

The fourth proportional to 111,210.87, 153,482.04 and 63,471.45 is: 87,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,210.87 : 153,482.04 = 63,471.45 : x
  2. Step 2: Convert to fraction form
    111,210.87/153,482.04 = 63,471.45/x
  3. Step 3: Cross multiply
    111,210.87x = 153,482.04 × 63,471.45
  4. Step 4: Simplify right side
    111,210.87x = 9,741,727,627.76
  5. Step 5: Solve for x
    x = 9,741,727,627.76/111,210.87
  6. Step 6: Final answer
    x = 87,596.90

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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.