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Finding the Fourth Proportional to 114,362.60, 157,818.66 and 64,063.40

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Solution

The fourth proportional to 114,362.60, 157,818.66 and 64,063.40 is: 88,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,362.60 : 157,818.66 = 64,063.40 : x
  2. Step 2: Convert to fraction form
    114,362.60/157,818.66 = 64,063.40/x
  3. Step 3: Cross multiply
    114,362.60x = 157,818.66 × 64,063.40
  4. Step 4: Simplify right side
    114,362.60x = 10,110,399,943.04
  5. Step 5: Solve for x
    x = 10,110,399,943.04/114,362.60
  6. Step 6: Final answer
    x = 88,406.52

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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.