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Finding the Fourth Proportional to 176,520.90, 243,661.30 and 104,900.06

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Solution

The fourth proportional to 176,520.90, 243,661.30 and 104,900.06 is: 144,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,520.90 : 243,661.30 = 104,900.06 : x
  2. Step 2: Convert to fraction form
    176,520.90/243,661.30 = 104,900.06/x
  3. Step 3: Cross multiply
    176,520.90x = 243,661.30 × 104,900.06
  4. Step 4: Simplify right side
    176,520.90x = 25,560,085,779.13
  5. Step 5: Solve for x
    x = 25,560,085,779.13/176,520.90
  6. Step 6: Final answer
    x = 144,799.21

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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.