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Finding the Fourth Proportional to 152,227.07, 210,069 and 84,246.87

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Solution

The fourth proportional to 152,227.07, 210,069 and 84,246.87 is: 116,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,227.07 : 210,069 = 84,246.87 : x
  2. Step 2: Convert to fraction form
    152,227.07/210,069 = 84,246.87/x
  3. Step 3: Cross multiply
    152,227.07x = 210,069 × 84,246.87
  4. Step 4: Simplify right side
    152,227.07x = 17,697,655,734.03
  5. Step 5: Solve for x
    x = 17,697,655,734.03/152,227.07
  6. Step 6: Final answer
    x = 116,258.27

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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.