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Finding the Fourth Proportional to 152,609.16, 210,601.10 and 84,630.96

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Solution

The fourth proportional to 152,609.16, 210,601.10 and 84,630.96 is: 116,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,609.16 : 210,601.10 = 84,630.96 : x
  2. Step 2: Convert to fraction form
    152,609.16/210,601.10 = 84,630.96/x
  3. Step 3: Cross multiply
    152,609.16x = 210,601.10 × 84,630.96
  4. Step 4: Simplify right side
    152,609.16x = 17,823,373,270.06
  5. Step 5: Solve for x
    x = 17,823,373,270.06/152,609.16
  6. Step 6: Final answer
    x = 116,790.98

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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.