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Finding the Fourth Proportional to 223,030.40, 334,448.40 and 89,866.40

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Solution

The fourth proportional to 223,030.40, 334,448.40 and 89,866.40 is: 134,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,030.40 : 334,448.40 = 89,866.40 : x
  2. Step 2: Convert to fraction form
    223,030.40/334,448.40 = 89,866.40/x
  3. Step 3: Cross multiply
    223,030.40x = 334,448.40 × 89,866.40
  4. Step 4: Simplify right side
    223,030.40x = 30,055,673,693.76
  5. Step 5: Solve for x
    x = 30,055,673,693.76/223,030.40
  6. Step 6: Final answer
    x = 134,760.43

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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.