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Finding the Fourth Proportional to 162,803.90, 244,263.45 and 157,043.90

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Solution

The fourth proportional to 162,803.90, 244,263.45 and 157,043.90 is: 235,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,803.90 : 244,263.45 = 157,043.90 : x
  2. Step 2: Convert to fraction form
    162,803.90/244,263.45 = 157,043.90/x
  3. Step 3: Cross multiply
    162,803.90x = 244,263.45 × 157,043.90
  4. Step 4: Simplify right side
    162,803.90x = 38,360,084,815.46
  5. Step 5: Solve for x
    x = 38,360,084,815.46/162,803.90
  6. Step 6: Final answer
    x = 235,621.41

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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.