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Finding the Fourth Proportional to 243,066.10, 335,461.51 and 141,069.59

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Solution

The fourth proportional to 243,066.10, 335,461.51 and 141,069.59 is: 194,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,066.10 : 335,461.51 = 141,069.59 : x
  2. Step 2: Convert to fraction form
    243,066.10/335,461.51 = 141,069.59/x
  3. Step 3: Cross multiply
    243,066.10x = 335,461.51 × 141,069.59
  4. Step 4: Simplify right side
    243,066.10x = 47,323,417,676.48
  5. Step 5: Solve for x
    x = 47,323,417,676.48/243,066.10
  6. Step 6: Final answer
    x = 194,693.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.