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Finding the Fourth Proportional to 152,574.72, 210,553.08 and 84,591.48

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Solution

The fourth proportional to 152,574.72, 210,553.08 and 84,591.48 is: 116,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,574.72 : 210,553.08 = 84,591.48 : x
  2. Step 2: Convert to fraction form
    152,574.72/210,553.08 = 84,591.48/x
  3. Step 3: Cross multiply
    152,574.72x = 210,553.08 × 84,591.48
  4. Step 4: Simplify right side
    152,574.72x = 17,810,996,655.76
  5. Step 5: Solve for x
    x = 17,810,996,655.76/152,574.72
  6. Step 6: Final answer
    x = 116,736.22

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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.