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Finding the Fourth Proportional to 153,613.10, 230,565.45 and 94,564.10

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Solution

The fourth proportional to 153,613.10, 230,565.45 and 94,564.10 is: 141,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,613.10 : 230,565.45 = 94,564.10 : x
  2. Step 2: Convert to fraction form
    153,613.10/230,565.45 = 94,564.10/x
  3. Step 3: Cross multiply
    153,613.10x = 230,565.45 × 94,564.10
  4. Step 4: Simplify right side
    153,613.10x = 21,803,214,270.35
  5. Step 5: Solve for x
    x = 21,803,214,270.35/153,613.10
  6. Step 6: Final answer
    x = 141,935.90

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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.