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Finding the Fourth Proportional to 350,068.80, 525,103.20 and 113,435.40

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Solution

The fourth proportional to 350,068.80, 525,103.20 and 113,435.40 is: 170,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,068.80 : 525,103.20 = 113,435.40 : x
  2. Step 2: Convert to fraction form
    350,068.80/525,103.20 = 113,435.40/x
  3. Step 3: Cross multiply
    350,068.80x = 525,103.20 × 113,435.40
  4. Step 4: Simplify right side
    350,068.80x = 59,565,291,533.28
  5. Step 5: Solve for x
    x = 59,565,291,533.28/350,068.80
  6. Step 6: Final answer
    x = 170,153.10

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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.