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Finding the Fourth Proportional to 70,151.95, 96,803.33 and 39,530.03

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Solution

The fourth proportional to 70,151.95, 96,803.33 and 39,530.03 is: 54,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.95 : 96,803.33 = 39,530.03 : x
  2. Step 2: Convert to fraction form
    70,151.95/96,803.33 = 39,530.03/x
  3. Step 3: Cross multiply
    70,151.95x = 96,803.33 × 39,530.03
  4. Step 4: Simplify right side
    70,151.95x = 3,826,638,319.48
  5. Step 5: Solve for x
    x = 3,826,638,319.48/70,151.95
  6. Step 6: Final answer
    x = 54,547.86

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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.