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Finding the Fourth Proportional to 350,434.90, 525,740.10 and 101,116.90

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Solution

The fourth proportional to 350,434.90, 525,740.10 and 101,116.90 is: 151,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,434.90 : 525,740.10 = 101,116.90 : x
  2. Step 2: Convert to fraction form
    350,434.90/525,740.10 = 101,116.90/x
  3. Step 3: Cross multiply
    350,434.90x = 525,740.10 × 101,116.90
  4. Step 4: Simplify right side
    350,434.90x = 53,161,209,117.69
  5. Step 5: Solve for x
    x = 53,161,209,117.69/350,434.90
  6. Step 6: Final answer
    x = 151,700.67

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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.