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Finding the Fourth Proportional to 340,079.34, 510,014.40 and 112,334.04

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Solution

The fourth proportional to 340,079.34, 510,014.40 and 112,334.04 is: 168,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,079.34 : 510,014.40 = 112,334.04 : x
  2. Step 2: Convert to fraction form
    340,079.34/510,014.40 = 112,334.04/x
  3. Step 3: Cross multiply
    340,079.34x = 510,014.40 × 112,334.04
  4. Step 4: Simplify right side
    340,079.34x = 57,291,977,904.86
  5. Step 5: Solve for x
    x = 57,291,977,904.86/340,079.34
  6. Step 6: Final answer
    x = 168,466.51

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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.