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Finding the Fourth Proportional to 82,730.70, 124,096.05 and 49,488.30

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Solution

The fourth proportional to 82,730.70, 124,096.05 and 49,488.30 is: 74,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,730.70 : 124,096.05 = 49,488.30 : x
  2. Step 2: Convert to fraction form
    82,730.70/124,096.05 = 49,488.30/x
  3. Step 3: Cross multiply
    82,730.70x = 124,096.05 × 49,488.30
  4. Step 4: Simplify right side
    82,730.70x = 6,141,302,551.22
  5. Step 5: Solve for x
    x = 6,141,302,551.22/82,730.70
  6. Step 6: Final answer
    x = 74,232.45

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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.