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Finding the Fourth Proportional to 60,364.80, 90,547.20 and 36,745.20

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Solution

The fourth proportional to 60,364.80, 90,547.20 and 36,745.20 is: 55,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,364.80 : 90,547.20 = 36,745.20 : x
  2. Step 2: Convert to fraction form
    60,364.80/90,547.20 = 36,745.20/x
  3. Step 3: Cross multiply
    60,364.80x = 90,547.20 × 36,745.20
  4. Step 4: Simplify right side
    60,364.80x = 3,327,174,973.44
  5. Step 5: Solve for x
    x = 3,327,174,973.44/60,364.80
  6. Step 6: Final answer
    x = 55,117.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.