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Finding the Fourth Proportional to 96,010.60, 144,015.90 and 86,679.40

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Solution

The fourth proportional to 96,010.60, 144,015.90 and 86,679.40 is: 130,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,010.60 : 144,015.90 = 86,679.40 : x
  2. Step 2: Convert to fraction form
    96,010.60/144,015.90 = 86,679.40/x
  3. Step 3: Cross multiply
    96,010.60x = 144,015.90 × 86,679.40
  4. Step 4: Simplify right side
    96,010.60x = 12,483,211,802.46
  5. Step 5: Solve for x
    x = 12,483,211,802.46/96,010.60
  6. Step 6: Final answer
    x = 130,019.10

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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.