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Finding the Fourth Proportional to 223,353.60, 335,030.40 and 134,780.10

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Solution

The fourth proportional to 223,353.60, 335,030.40 and 134,780.10 is: 202,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,353.60 : 335,030.40 = 134,780.10 : x
  2. Step 2: Convert to fraction form
    223,353.60/335,030.40 = 134,780.10/x
  3. Step 3: Cross multiply
    223,353.60x = 335,030.40 × 134,780.10
  4. Step 4: Simplify right side
    223,353.60x = 45,155,430,815.04
  5. Step 5: Solve for x
    x = 45,155,430,815.04/223,353.60
  6. Step 6: Final answer
    x = 202,170.15

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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.