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Finding the Fourth Proportional to 75,293.03, 103,895.92 and 43,472.45

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Solution

The fourth proportional to 75,293.03, 103,895.92 and 43,472.45 is: 59,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,293.03 : 103,895.92 = 43,472.45 : x
  2. Step 2: Convert to fraction form
    75,293.03/103,895.92 = 43,472.45/x
  3. Step 3: Cross multiply
    75,293.03x = 103,895.92 × 43,472.45
  4. Step 4: Simplify right side
    75,293.03x = 4,516,610,187.40
  5. Step 5: Solve for x
    x = 4,516,610,187.40/75,293.03
  6. Step 6: Final answer
    x = 59,987.10

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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.