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Finding the Fourth Proportional to 152,751.60, 229,127.40 and 133,068.60

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Solution

The fourth proportional to 152,751.60, 229,127.40 and 133,068.60 is: 199,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,751.60 : 229,127.40 = 133,068.60 : x
  2. Step 2: Convert to fraction form
    152,751.60/229,127.40 = 133,068.60/x
  3. Step 3: Cross multiply
    152,751.60x = 229,127.40 × 133,068.60
  4. Step 4: Simplify right side
    152,751.60x = 30,489,662,339.64
  5. Step 5: Solve for x
    x = 30,489,662,339.64/152,751.60
  6. Step 6: Final answer
    x = 199,602.90

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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.