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Finding the Fourth Proportional to 107,603.64, 148,482.60 and 62,272.64

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Solution

The fourth proportional to 107,603.64, 148,482.60 and 62,272.64 is: 85,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.64 : 148,482.60 = 62,272.64 : x
  2. Step 2: Convert to fraction form
    107,603.64/148,482.60 = 62,272.64/x
  3. Step 3: Cross multiply
    107,603.64x = 148,482.60 × 62,272.64
  4. Step 4: Simplify right side
    107,603.64x = 9,246,403,496.06
  5. Step 5: Solve for x
    x = 9,246,403,496.06/107,603.64
  6. Step 6: Final answer
    x = 85,930.21

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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.