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Finding the Fourth Proportional to 70,883.80, 97,776.39 and 42,184.22

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Solution

The fourth proportional to 70,883.80, 97,776.39 and 42,184.22 is: 58,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.80 : 97,776.39 = 42,184.22 : x
  2. Step 2: Convert to fraction form
    70,883.80/97,776.39 = 42,184.22/x
  3. Step 3: Cross multiply
    70,883.80x = 97,776.39 × 42,184.22
  4. Step 4: Simplify right side
    70,883.80x = 4,124,620,746.57
  5. Step 5: Solve for x
    x = 4,124,620,746.57/70,883.80
  6. Step 6: Final answer
    x = 58,188.48

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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.