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Finding the Fourth Proportional to 116,648.96, 160,975.60 and 68,260.19

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Solution

The fourth proportional to 116,648.96, 160,975.60 and 68,260.19 is: 94,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,648.96 : 160,975.60 = 68,260.19 : x
  2. Step 2: Convert to fraction form
    116,648.96/160,975.60 = 68,260.19/x
  3. Step 3: Cross multiply
    116,648.96x = 160,975.60 × 68,260.19
  4. Step 4: Simplify right side
    116,648.96x = 10,988,225,041.36
  5. Step 5: Solve for x
    x = 10,988,225,041.36/116,648.96
  6. Step 6: Final answer
    x = 94,199.08

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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.