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Finding the Fourth Proportional to 114,320.50, 157,746.50 and 63,320.57

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Solution

The fourth proportional to 114,320.50, 157,746.50 and 63,320.57 is: 87,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,320.50 : 157,746.50 = 63,320.57 : x
  2. Step 2: Convert to fraction form
    114,320.50/157,746.50 = 63,320.57/x
  3. Step 3: Cross multiply
    114,320.50x = 157,746.50 × 63,320.57
  4. Step 4: Simplify right side
    114,320.50x = 9,988,598,295.51
  5. Step 5: Solve for x
    x = 9,988,598,295.51/114,320.50
  6. Step 6: Final answer
    x = 87,373.64

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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.