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Finding the Fourth Proportional to 73,574, 101,535.45 and 43,360.59

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Solution

The fourth proportional to 73,574, 101,535.45 and 43,360.59 is: 59,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,574 : 101,535.45 = 43,360.59 : x
  2. Step 2: Convert to fraction form
    73,574/101,535.45 = 43,360.59/x
  3. Step 3: Cross multiply
    73,574x = 101,535.45 × 43,360.59
  4. Step 4: Simplify right side
    73,574x = 4,402,637,017.92
  5. Step 5: Solve for x
    x = 4,402,637,017.92/73,574
  6. Step 6: Final answer
    x = 59,839.58

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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.