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Finding the Fourth Proportional to 114,454.59, 157,939.63 and 63,465.45

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Solution

The fourth proportional to 114,454.59, 157,939.63 and 63,465.45 is: 87,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,454.59 : 157,939.63 = 63,465.45 : x
  2. Step 2: Convert to fraction form
    114,454.59/157,939.63 = 63,465.45/x
  3. Step 3: Cross multiply
    114,454.59x = 157,939.63 × 63,465.45
  4. Step 4: Simplify right side
    114,454.59x = 10,023,709,830.29
  5. Step 5: Solve for x
    x = 10,023,709,830.29/114,454.59
  6. Step 6: Final answer
    x = 87,578.05

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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.