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Finding the Fourth Proportional to 73,518.80, 101,455.56 and 54,683.60

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Solution

The fourth proportional to 73,518.80, 101,455.56 and 54,683.60 is: 75,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,518.80 : 101,455.56 = 54,683.60 : x
  2. Step 2: Convert to fraction form
    73,518.80/101,455.56 = 54,683.60/x
  3. Step 3: Cross multiply
    73,518.80x = 101,455.56 × 54,683.60
  4. Step 4: Simplify right side
    73,518.80x = 5,547,955,260.82
  5. Step 5: Solve for x
    x = 5,547,955,260.82/73,518.80
  6. Step 6: Final answer
    x = 75,463.08

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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.