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Finding the Fourth Proportional to 176,596.74, 243,774.09 and 108,641.25

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Solution

The fourth proportional to 176,596.74, 243,774.09 and 108,641.25 is: 149,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,596.74 : 243,774.09 = 108,641.25 : x
  2. Step 2: Convert to fraction form
    176,596.74/243,774.09 = 108,641.25/x
  3. Step 3: Cross multiply
    176,596.74x = 243,774.09 × 108,641.25
  4. Step 4: Simplify right side
    176,596.74x = 26,483,921,855.21
  5. Step 5: Solve for x
    x = 26,483,921,855.21/176,596.74
  6. Step 6: Final answer
    x = 149,968.35

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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.