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Finding the Fourth Proportional to 253,990.08, 350,526.96 and 140,810.40

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Solution

The fourth proportional to 253,990.08, 350,526.96 and 140,810.40 is: 194,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,990.08 : 350,526.96 = 140,810.40 : x
  2. Step 2: Convert to fraction form
    253,990.08/350,526.96 = 140,810.40/x
  3. Step 3: Cross multiply
    253,990.08x = 350,526.96 × 140,810.40
  4. Step 4: Simplify right side
    253,990.08x = 49,357,841,448.38
  5. Step 5: Solve for x
    x = 49,357,841,448.38/253,990.08
  6. Step 6: Final answer
    x = 194,329.80

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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.