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Finding the Fourth Proportional to 152,195.93, 210,030.63 and 84,215.77

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Solution

The fourth proportional to 152,195.93, 210,030.63 and 84,215.77 is: 116,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,195.93 : 210,030.63 = 84,215.77 : x
  2. Step 2: Convert to fraction form
    152,195.93/210,030.63 = 84,215.77/x
  3. Step 3: Cross multiply
    152,195.93x = 210,030.63 × 84,215.77
  4. Step 4: Simplify right side
    152,195.93x = 17,687,890,388.15
  5. Step 5: Solve for x
    x = 17,687,890,388.15/152,195.93
  6. Step 6: Final answer
    x = 116,217.89

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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.