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Finding the Fourth Proportional to 243,812.34, 336,325.59 and 141,826.32

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Solution

The fourth proportional to 243,812.34, 336,325.59 and 141,826.32 is: 195,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,812.34 : 336,325.59 = 141,826.32 : x
  2. Step 2: Convert to fraction form
    243,812.34/336,325.59 = 141,826.32/x
  3. Step 3: Cross multiply
    243,812.34x = 336,325.59 × 141,826.32
  4. Step 4: Simplify right side
    243,812.34x = 47,699,820,751.53
  5. Step 5: Solve for x
    x = 47,699,820,751.53/243,812.34
  6. Step 6: Final answer
    x = 195,641.54

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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.