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Finding the Fourth Proportional to 153,999.90, 230,562.45 and 153,999.90

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Solution

The fourth proportional to 153,999.90, 230,562.45 and 153,999.90 is: 230,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,999.90 : 230,562.45 = 153,999.90 : x
  2. Step 2: Convert to fraction form
    153,999.90/230,562.45 = 153,999.90/x
  3. Step 3: Cross multiply
    153,999.90x = 230,562.45 × 153,999.90
  4. Step 4: Simplify right side
    153,999.90x = 35,506,594,243.76
  5. Step 5: Solve for x
    x = 35,506,594,243.76/153,999.90
  6. Step 6: Final answer
    x = 230,562.45

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1.5x scale

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.