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Finding the Fourth Proportional to 157,289.40, 235,934.10 and 151,068.60

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Solution

The fourth proportional to 157,289.40, 235,934.10 and 151,068.60 is: 226,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,289.40 : 235,934.10 = 151,068.60 : x
  2. Step 2: Convert to fraction form
    157,289.40/235,934.10 = 151,068.60/x
  3. Step 3: Cross multiply
    157,289.40x = 235,934.10 × 151,068.60
  4. Step 4: Simplify right side
    157,289.40x = 35,642,234,179.26
  5. Step 5: Solve for x
    x = 35,642,234,179.26/157,289.40
  6. Step 6: Final answer
    x = 226,602.90

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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.