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Finding the Fourth Proportional to 70,396.01, 97,122.74 and 40,160.06

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Solution

The fourth proportional to 70,396.01, 97,122.74 and 40,160.06 is: 55,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,396.01 : 97,122.74 = 40,160.06 : x
  2. Step 2: Convert to fraction form
    70,396.01/97,122.74 = 40,160.06/x
  3. Step 3: Cross multiply
    70,396.01x = 97,122.74 × 40,160.06
  4. Step 4: Simplify right side
    70,396.01x = 3,900,455,065.76
  5. Step 5: Solve for x
    x = 3,900,455,065.76/70,396.01
  6. Step 6: Final answer
    x = 55,407.33

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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.