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Finding the Fourth Proportional to 114,329.70, 157,762.71 and 63,341.28

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Solution

The fourth proportional to 114,329.70, 157,762.71 and 63,341.28 is: 87,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,329.70 : 157,762.71 = 63,341.28 : x
  2. Step 2: Convert to fraction form
    114,329.70/157,762.71 = 63,341.28/x
  3. Step 3: Cross multiply
    114,329.70x = 157,762.71 × 63,341.28
  4. Step 4: Simplify right side
    114,329.70x = 9,992,891,987.67
  5. Step 5: Solve for x
    x = 9,992,891,987.67/114,329.70
  6. Step 6: Final answer
    x = 87,404.17

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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.