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Finding the Fourth Proportional to 70,058.16, 105,103.08 and 23,312.88

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Solution

The fourth proportional to 70,058.16, 105,103.08 and 23,312.88 is: 34,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,058.16 : 105,103.08 = 23,312.88 : x
  2. Step 2: Convert to fraction form
    70,058.16/105,103.08 = 23,312.88/x
  3. Step 3: Cross multiply
    70,058.16x = 105,103.08 × 23,312.88
  4. Step 4: Simplify right side
    70,058.16x = 2,450,255,491.67
  5. Step 5: Solve for x
    x = 2,450,255,491.67/70,058.16
  6. Step 6: Final answer
    x = 34,974.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.