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Finding the Fourth Proportional to 114,424.90, 157,911.36 and 63,434.39

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Solution

The fourth proportional to 114,424.90, 157,911.36 and 63,434.39 is: 87,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,424.90 : 157,911.36 = 63,434.39 : x
  2. Step 2: Convert to fraction form
    114,424.90/157,911.36 = 63,434.39/x
  3. Step 3: Cross multiply
    114,424.90x = 157,911.36 × 63,434.39
  4. Step 4: Simplify right side
    114,424.90x = 10,017,010,212.36
  5. Step 5: Solve for x
    x = 10,017,010,212.36/114,424.90
  6. Step 6: Final answer
    x = 87,542.22

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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.