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Finding the Fourth Proportional to 178,875, 268,423.20 and 104,030.28

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Solution

The fourth proportional to 178,875, 268,423.20 and 104,030.28 is: 156,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,875 : 268,423.20 = 104,030.28 : x
  2. Step 2: Convert to fraction form
    178,875/268,423.20 = 104,030.28/x
  3. Step 3: Cross multiply
    178,875x = 268,423.20 × 104,030.28
  4. Step 4: Simplify right side
    178,875x = 27,924,140,654.50
  5. Step 5: Solve for x
    x = 27,924,140,654.50/178,875
  6. Step 6: Final answer
    x = 156,109.80

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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.