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Finding the Fourth Proportional to 114,415.68, 157,891.14 and 63,428.16

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Solution

The fourth proportional to 114,415.68, 157,891.14 and 63,428.16 is: 87,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,415.68 : 157,891.14 = 63,428.16 : x
  2. Step 2: Convert to fraction form
    114,415.68/157,891.14 = 63,428.16/x
  3. Step 3: Cross multiply
    114,415.68x = 157,891.14 × 63,428.16
  4. Step 4: Simplify right side
    114,415.68x = 10,014,744,490.50
  5. Step 5: Solve for x
    x = 10,014,744,490.50/114,415.68
  6. Step 6: Final answer
    x = 87,529.48

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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.