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Finding the Fourth Proportional to 162,483.60, 243,725.40 and 117,901.20

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Solution

The fourth proportional to 162,483.60, 243,725.40 and 117,901.20 is: 176,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,483.60 : 243,725.40 = 117,901.20 : x
  2. Step 2: Convert to fraction form
    162,483.60/243,725.40 = 117,901.20/x
  3. Step 3: Cross multiply
    162,483.60x = 243,725.40 × 117,901.20
  4. Step 4: Simplify right side
    162,483.60x = 28,735,517,130.48
  5. Step 5: Solve for x
    x = 28,735,517,130.48/162,483.60
  6. Step 6: Final answer
    x = 176,851.80

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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.