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Finding the Fourth Proportional to 77,359.06, 106,747.46 and 45,526.06

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Solution

The fourth proportional to 77,359.06, 106,747.46 and 45,526.06 is: 62,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,359.06 : 106,747.46 = 45,526.06 : x
  2. Step 2: Convert to fraction form
    77,359.06/106,747.46 = 45,526.06/x
  3. Step 3: Cross multiply
    77,359.06x = 106,747.46 × 45,526.06
  4. Step 4: Simplify right side
    77,359.06x = 4,859,791,268.81
  5. Step 5: Solve for x
    x = 4,859,791,268.81/77,359.06
  6. Step 6: Final answer
    x = 62,821.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.