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Finding the Fourth Proportional to 73,541.40, 110,312.10 and 61,877.40

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Solution

The fourth proportional to 73,541.40, 110,312.10 and 61,877.40 is: 92,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,541.40 : 110,312.10 = 61,877.40 : x
  2. Step 2: Convert to fraction form
    73,541.40/110,312.10 = 61,877.40/x
  3. Step 3: Cross multiply
    73,541.40x = 110,312.10 × 61,877.40
  4. Step 4: Simplify right side
    73,541.40x = 6,825,825,936.54
  5. Step 5: Solve for x
    x = 6,825,825,936.54/73,541.40
  6. Step 6: Final answer
    x = 92,816.10

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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.