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Finding the Fourth Proportional to 71,258.93, 98,321.99 and 42,964.01

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Solution

The fourth proportional to 71,258.93, 98,321.99 and 42,964.01 is: 59,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258.93 : 98,321.99 = 42,964.01 : x
  2. Step 2: Convert to fraction form
    71,258.93/98,321.99 = 42,964.01/x
  3. Step 3: Cross multiply
    71,258.93x = 98,321.99 × 42,964.01
  4. Step 4: Simplify right side
    71,258.93x = 4,224,306,255.15
  5. Step 5: Solve for x
    x = 4,224,306,255.15/71,258.93
  6. Step 6: Final answer
    x = 59,281.08

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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.