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Finding the Fourth Proportional to 232,457.80, 348,746.10 and 74,687.80

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Solution

The fourth proportional to 232,457.80, 348,746.10 and 74,687.80 is: 112,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,457.80 : 348,746.10 = 74,687.80 : x
  2. Step 2: Convert to fraction form
    232,457.80/348,746.10 = 74,687.80/x
  3. Step 3: Cross multiply
    232,457.80x = 348,746.10 × 74,687.80
  4. Step 4: Simplify right side
    232,457.80x = 26,047,078,967.58
  5. Step 5: Solve for x
    x = 26,047,078,967.58/232,457.80
  6. Step 6: Final answer
    x = 112,050.78

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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.