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Finding the Fourth Proportional to 175,341.60, 262,915.20 and 70,041.60

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Solution

The fourth proportional to 175,341.60, 262,915.20 and 70,041.60 is: 105,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,341.60 : 262,915.20 = 70,041.60 : x
  2. Step 2: Convert to fraction form
    175,341.60/262,915.20 = 70,041.60/x
  3. Step 3: Cross multiply
    175,341.60x = 262,915.20 × 70,041.60
  4. Step 4: Simplify right side
    175,341.60x = 18,415,001,272.32
  5. Step 5: Solve for x
    x = 18,415,001,272.32/175,341.60
  6. Step 6: Final answer
    x = 105,023.57

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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.