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Finding the Fourth Proportional to 252,220.48, 348,038.40 and 144,764.80

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Solution

The fourth proportional to 252,220.48, 348,038.40 and 144,764.80 is: 199,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,220.48 : 348,038.40 = 144,764.80 : x
  2. Step 2: Convert to fraction form
    252,220.48/348,038.40 = 144,764.80/x
  3. Step 3: Cross multiply
    252,220.48x = 348,038.40 × 144,764.80
  4. Step 4: Simplify right side
    252,220.48x = 50,383,709,368.32
  5. Step 5: Solve for x
    x = 50,383,709,368.32/252,220.48
  6. Step 6: Final answer
    x = 199,760.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.