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Finding the Fourth Proportional to 70,445.74, 97,225.08 and 43,596.90

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Solution

The fourth proportional to 70,445.74, 97,225.08 and 43,596.90 is: 60,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,445.74 : 97,225.08 = 43,596.90 : x
  2. Step 2: Convert to fraction form
    70,445.74/97,225.08 = 43,596.90/x
  3. Step 3: Cross multiply
    70,445.74x = 97,225.08 × 43,596.90
  4. Step 4: Simplify right side
    70,445.74x = 4,238,712,090.25
  5. Step 5: Solve for x
    x = 4,238,712,090.25/70,445.74
  6. Step 6: Final answer
    x = 60,169.89

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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.