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Finding the Fourth Proportional to 233,191.53, 349,783.38 and 105,036.54

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Solution

The fourth proportional to 233,191.53, 349,783.38 and 105,036.54 is: 157,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,191.53 : 349,783.38 = 105,036.54 : x
  2. Step 2: Convert to fraction form
    233,191.53/349,783.38 = 105,036.54/x
  3. Step 3: Cross multiply
    233,191.53x = 349,783.38 × 105,036.54
  4. Step 4: Simplify right side
    233,191.53x = 36,740,035,984.71
  5. Step 5: Solve for x
    x = 36,740,035,984.71/233,191.53
  6. Step 6: Final answer
    x = 157,553.05

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1.5x scale

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.