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Finding the Fourth Proportional to 186,335.60, 279,503.40 and 183,711.20

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Solution

The fourth proportional to 186,335.60, 279,503.40 and 183,711.20 is: 275,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,335.60 : 279,503.40 = 183,711.20 : x
  2. Step 2: Convert to fraction form
    186,335.60/279,503.40 = 183,711.20/x
  3. Step 3: Cross multiply
    186,335.60x = 279,503.40 × 183,711.20
  4. Step 4: Simplify right side
    186,335.60x = 51,347,905,018.08
  5. Step 5: Solve for x
    x = 51,347,905,018.08/186,335.60
  6. Step 6: Final answer
    x = 275,566.80

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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.