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Finding the Fourth Proportional to 134,802.60, 202,106.70 and 88,081.80

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Solution

The fourth proportional to 134,802.60, 202,106.70 and 88,081.80 is: 132,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,802.60 : 202,106.70 = 88,081.80 : x
  2. Step 2: Convert to fraction form
    134,802.60/202,106.70 = 88,081.80/x
  3. Step 3: Cross multiply
    134,802.60x = 202,106.70 × 88,081.80
  4. Step 4: Simplify right side
    134,802.60x = 17,801,921,928.06
  5. Step 5: Solve for x
    x = 17,801,921,928.06/134,802.60
  6. Step 6: Final answer
    x = 132,059.19

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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.