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Finding the Fourth Proportional to 153,515.96, 230,304.98 and 64,769.68

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Solution

The fourth proportional to 153,515.96, 230,304.98 and 64,769.68 is: 97,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,515.96 : 230,304.98 = 64,769.68 : x
  2. Step 2: Convert to fraction form
    153,515.96/230,304.98 = 64,769.68/x
  3. Step 3: Cross multiply
    153,515.96x = 230,304.98 × 64,769.68
  4. Step 4: Simplify right side
    153,515.96x = 14,916,779,857.01
  5. Step 5: Solve for x
    x = 14,916,779,857.01/153,515.96
  6. Step 6: Final answer
    x = 97,167.62

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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.