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Finding the Fourth Proportional to 114,427.45, 157,913.72 and 63,437.14

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Solution

The fourth proportional to 114,427.45, 157,913.72 and 63,437.14 is: 87,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,427.45 : 157,913.72 = 63,437.14 : x
  2. Step 2: Convert to fraction form
    114,427.45/157,913.72 = 63,437.14/x
  3. Step 3: Cross multiply
    114,427.45x = 157,913.72 × 63,437.14
  4. Step 4: Simplify right side
    114,427.45x = 10,017,594,881.66
  5. Step 5: Solve for x
    x = 10,017,594,881.66/114,427.45
  6. Step 6: Final answer
    x = 87,545.38

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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.