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Finding the Fourth Proportional to 73,875.68, 111,312.19 and 61,016.12

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Solution

The fourth proportional to 73,875.68, 111,312.19 and 61,016.12 is: 91,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,875.68 : 111,312.19 = 61,016.12 : x
  2. Step 2: Convert to fraction form
    73,875.68/111,312.19 = 61,016.12/x
  3. Step 3: Cross multiply
    73,875.68x = 111,312.19 × 61,016.12
  4. Step 4: Simplify right side
    73,875.68x = 6,791,837,942.50
  5. Step 5: Solve for x
    x = 6,791,837,942.50/73,875.68
  6. Step 6: Final answer
    x = 91,936.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.