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Finding the Fourth Proportional to 230,570.67, 318,133.35 and 139,924.59

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Solution

The fourth proportional to 230,570.67, 318,133.35 and 139,924.59 is: 193,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,570.67 : 318,133.35 = 139,924.59 : x
  2. Step 2: Convert to fraction form
    230,570.67/318,133.35 = 139,924.59/x
  3. Step 3: Cross multiply
    230,570.67x = 318,133.35 × 139,924.59
  4. Step 4: Simplify right side
    230,570.67x = 44,514,678,564.08
  5. Step 5: Solve for x
    x = 44,514,678,564.08/230,570.67
  6. Step 6: Final answer
    x = 193,063.06

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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.