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Finding the Fourth Proportional to 73,541.70, 110,312.55 and 29,145.60

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Solution

The fourth proportional to 73,541.70, 110,312.55 and 29,145.60 is: 43,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,541.70 : 110,312.55 = 29,145.60 : x
  2. Step 2: Convert to fraction form
    73,541.70/110,312.55 = 29,145.60/x
  3. Step 3: Cross multiply
    73,541.70x = 110,312.55 × 29,145.60
  4. Step 4: Simplify right side
    73,541.70x = 3,215,125,457.28
  5. Step 5: Solve for x
    x = 3,215,125,457.28/73,541.70
  6. Step 6: Final answer
    x = 43,718.40

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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.