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Finding the Fourth Proportional to 147,804.80, 221,707.20 and 100,565.60

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Solution

The fourth proportional to 147,804.80, 221,707.20 and 100,565.60 is: 150,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,804.80 : 221,707.20 = 100,565.60 : x
  2. Step 2: Convert to fraction form
    147,804.80/221,707.20 = 100,565.60/x
  3. Step 3: Cross multiply
    147,804.80x = 221,707.20 × 100,565.60
  4. Step 4: Simplify right side
    147,804.80x = 22,296,117,592.32
  5. Step 5: Solve for x
    x = 22,296,117,592.32/147,804.80
  6. Step 6: Final answer
    x = 150,848.40

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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.