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Finding the Fourth Proportional to 243,817.76, 336,536.13 and 141,862.91

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Solution

The fourth proportional to 243,817.76, 336,536.13 and 141,862.91 is: 195,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,817.76 : 336,536.13 = 141,862.91 : x
  2. Step 2: Convert to fraction form
    243,817.76/336,536.13 = 141,862.91/x
  3. Step 3: Cross multiply
    243,817.76x = 336,536.13 × 141,862.91
  4. Step 4: Simplify right side
    243,817.76x = 47,741,993,039.26
  5. Step 5: Solve for x
    x = 47,741,993,039.26/243,817.76
  6. Step 6: Final answer
    x = 195,810.16

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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.