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Finding the Fourth Proportional to 350,053.12, 525,131.20 and 113,317.12

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Solution

The fourth proportional to 350,053.12, 525,131.20 and 113,317.12 is: 169,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,053.12 : 525,131.20 = 113,317.12 : x
  2. Step 2: Convert to fraction form
    350,053.12/525,131.20 = 113,317.12/x
  3. Step 3: Cross multiply
    350,053.12x = 525,131.20 × 113,317.12
  4. Step 4: Simplify right side
    350,053.12x = 59,506,355,206.14
  5. Step 5: Solve for x
    x = 59,506,355,206.14/350,053.12
  6. Step 6: Final answer
    x = 169,992.36

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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.