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Finding the Fourth Proportional to 111,557.68, 153,950.16 and 63,813.04

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Solution

The fourth proportional to 111,557.68, 153,950.16 and 63,813.04 is: 88,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,557.68 : 153,950.16 = 63,813.04 : x
  2. Step 2: Convert to fraction form
    111,557.68/153,950.16 = 63,813.04/x
  3. Step 3: Cross multiply
    111,557.68x = 153,950.16 × 63,813.04
  4. Step 4: Simplify right side
    111,557.68x = 9,824,027,718.09
  5. Step 5: Solve for x
    x = 9,824,027,718.09/111,557.68
  6. Step 6: Final answer
    x = 88,062.32

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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.