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Finding the Fourth Proportional to 124,219.48, 186,271.74 and 39,963.96

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Solution

The fourth proportional to 124,219.48, 186,271.74 and 39,963.96 is: 59,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,219.48 : 186,271.74 = 39,963.96 : x
  2. Step 2: Convert to fraction form
    124,219.48/186,271.74 = 39,963.96/x
  3. Step 3: Cross multiply
    124,219.48x = 186,271.74 × 39,963.96
  4. Step 4: Simplify right side
    124,219.48x = 7,444,156,366.49
  5. Step 5: Solve for x
    x = 7,444,156,366.49/124,219.48
  6. Step 6: Final answer
    x = 59,927.45

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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.