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Finding the Fourth Proportional to 148,904.64, 223,398.64 and 60,220.40

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Solution

The fourth proportional to 148,904.64, 223,398.64 and 60,220.40 is: 90,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,904.64 : 223,398.64 = 60,220.40 : x
  2. Step 2: Convert to fraction form
    148,904.64/223,398.64 = 60,220.40/x
  3. Step 3: Cross multiply
    148,904.64x = 223,398.64 × 60,220.40
  4. Step 4: Simplify right side
    148,904.64x = 13,453,155,460.26
  5. Step 5: Solve for x
    x = 13,453,155,460.26/148,904.64
  6. Step 6: Final answer
    x = 90,347.46

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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.