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Finding the Fourth Proportional to 134,752.80, 201,999.60 and 104,750.40

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Solution

The fourth proportional to 134,752.80, 201,999.60 and 104,750.40 is: 157,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,752.80 : 201,999.60 = 104,750.40 : x
  2. Step 2: Convert to fraction form
    134,752.80/201,999.60 = 104,750.40/x
  3. Step 3: Cross multiply
    134,752.80x = 201,999.60 × 104,750.40
  4. Step 4: Simplify right side
    134,752.80x = 21,159,538,899.84
  5. Step 5: Solve for x
    x = 21,159,538,899.84/134,752.80
  6. Step 6: Final answer
    x = 157,024.86

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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.