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Finding the Fourth Proportional to 195,615.40, 293,423.10 and 100,845.40

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Solution

The fourth proportional to 195,615.40, 293,423.10 and 100,845.40 is: 151,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,615.40 : 293,423.10 = 100,845.40 : x
  2. Step 2: Convert to fraction form
    195,615.40/293,423.10 = 100,845.40/x
  3. Step 3: Cross multiply
    195,615.40x = 293,423.10 × 100,845.40
  4. Step 4: Simplify right side
    195,615.40x = 29,590,369,888.74
  5. Step 5: Solve for x
    x = 29,590,369,888.74/195,615.40
  6. Step 6: Final answer
    x = 151,268.10

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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.