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Finding the Fourth Proportional to 350,291.12, 525,510.52 and 113,615.40

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Solution

The fourth proportional to 350,291.12, 525,510.52 and 113,615.40 is: 170,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,291.12 : 525,510.52 = 113,615.40 : x
  2. Step 2: Convert to fraction form
    350,291.12/525,510.52 = 113,615.40/x
  3. Step 3: Cross multiply
    350,291.12x = 525,510.52 × 113,615.40
  4. Step 4: Simplify right side
    350,291.12x = 59,706,087,934.01
  5. Step 5: Solve for x
    x = 59,706,087,934.01/350,291.12
  6. Step 6: Final answer
    x = 170,447.05

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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.