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Finding the Fourth Proportional to 70,347.88, 97,110.66 and 43,490.44

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Solution

The fourth proportional to 70,347.88, 97,110.66 and 43,490.44 is: 60,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.88 : 97,110.66 = 43,490.44 : x
  2. Step 2: Convert to fraction form
    70,347.88/97,110.66 = 43,490.44/x
  3. Step 3: Cross multiply
    70,347.88x = 97,110.66 × 43,490.44
  4. Step 4: Simplify right side
    70,347.88x = 4,223,385,332.09
  5. Step 5: Solve for x
    x = 4,223,385,332.09/70,347.88
  6. Step 6: Final answer
    x = 60,035.72

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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.