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Finding the Fourth Proportional to 350,070.30, 525,105.45 and 113,436.90

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Solution

The fourth proportional to 350,070.30, 525,105.45 and 113,436.90 is: 170,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,070.30 : 525,105.45 = 113,436.90 : x
  2. Step 2: Convert to fraction form
    350,070.30/525,105.45 = 113,436.90/x
  3. Step 3: Cross multiply
    350,070.30x = 525,105.45 × 113,436.90
  4. Step 4: Simplify right side
    350,070.30x = 59,566,334,421.11
  5. Step 5: Solve for x
    x = 59,566,334,421.11/350,070.30
  6. Step 6: Final answer
    x = 170,155.35

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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.