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Finding the Fourth Proportional to 223,061.74, 306,641.54 and 191,903.15

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Solution

The fourth proportional to 223,061.74, 306,641.54 and 191,903.15 is: 263,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,061.74 : 306,641.54 = 191,903.15 : x
  2. Step 2: Convert to fraction form
    223,061.74/306,641.54 = 191,903.15/x
  3. Step 3: Cross multiply
    223,061.74x = 306,641.54 × 191,903.15
  4. Step 4: Simplify right side
    223,061.74x = 58,845,476,968.35
  5. Step 5: Solve for x
    x = 58,845,476,968.35/223,061.74
  6. Step 6: Final answer
    x = 263,808.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.