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Finding the Fourth Proportional to 130,264.25, 179,764.67 and 70,648.25

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Solution

The fourth proportional to 130,264.25, 179,764.67 and 70,648.25 is: 97,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,264.25 : 179,764.67 = 70,648.25 : x
  2. Step 2: Convert to fraction form
    130,264.25/179,764.67 = 70,648.25/x
  3. Step 3: Cross multiply
    130,264.25x = 179,764.67 × 70,648.25
  4. Step 4: Simplify right side
    130,264.25x = 12,700,058,994.09
  5. Step 5: Solve for x
    x = 12,700,058,994.09/130,264.25
  6. Step 6: Final answer
    x = 97,494.59

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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.