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Finding the Fourth Proportional to 111,210.92, 153,482.06 and 63,471.40

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Solution

The fourth proportional to 111,210.92, 153,482.06 and 63,471.40 is: 87,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,210.92 : 153,482.06 = 63,471.40 : x
  2. Step 2: Convert to fraction form
    111,210.92/153,482.06 = 63,471.40/x
  3. Step 3: Cross multiply
    111,210.92x = 153,482.06 × 63,471.40
  4. Step 4: Simplify right side
    111,210.92x = 9,741,721,223.08
  5. Step 5: Solve for x
    x = 9,741,721,223.08/111,210.92
  6. Step 6: Final answer
    x = 87,596.80

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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.