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Finding the Fourth Proportional to 73,210.80, 101,030.04 and 41,379.60

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Solution

The fourth proportional to 73,210.80, 101,030.04 and 41,379.60 is: 57,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210.80 : 101,030.04 = 41,379.60 : x
  2. Step 2: Convert to fraction form
    73,210.80/101,030.04 = 41,379.60/x
  3. Step 3: Cross multiply
    73,210.80x = 101,030.04 × 41,379.60
  4. Step 4: Simplify right side
    73,210.80x = 4,180,582,643.18
  5. Step 5: Solve for x
    x = 4,180,582,643.18/73,210.80
  6. Step 6: Final answer
    x = 57,103.36

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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.