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Finding the Fourth Proportional to 145,751.60, 218,133.59 and 89,627.26

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Solution

The fourth proportional to 145,751.60, 218,133.59 and 89,627.26 is: 134,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,751.60 : 218,133.59 = 89,627.26 : x
  2. Step 2: Convert to fraction form
    145,751.60/218,133.59 = 89,627.26/x
  3. Step 3: Cross multiply
    145,751.60x = 218,133.59 × 89,627.26
  4. Step 4: Simplify right side
    145,751.60x = 19,550,715,664.40
  5. Step 5: Solve for x
    x = 19,550,715,664.40/145,751.60
  6. Step 6: Final answer
    x = 134,137.23

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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.