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Finding the Fourth Proportional to 134,971.62, 202,482.02 and 67,538.89

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Solution

The fourth proportional to 134,971.62, 202,482.02 and 67,538.89 is: 101,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,971.62 : 202,482.02 = 67,538.89 : x
  2. Step 2: Convert to fraction form
    134,971.62/202,482.02 = 67,538.89/x
  3. Step 3: Cross multiply
    134,971.62x = 202,482.02 × 67,538.89
  4. Step 4: Simplify right side
    134,971.62x = 13,675,410,875.76
  5. Step 5: Solve for x
    x = 13,675,410,875.76/134,971.62
  6. Step 6: Final answer
    x = 101,320.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.