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Finding the Fourth Proportional to 114,428.74, 157,913.70 and 62,750.04

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Solution

The fourth proportional to 114,428.74, 157,913.70 and 62,750.04 is: 86,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.74 : 157,913.70 = 62,750.04 : x
  2. Step 2: Convert to fraction form
    114,428.74/157,913.70 = 62,750.04/x
  3. Step 3: Cross multiply
    114,428.74x = 157,913.70 × 62,750.04
  4. Step 4: Simplify right side
    114,428.74x = 9,909,091,405.29
  5. Step 5: Solve for x
    x = 9,909,091,405.29/114,428.74
  6. Step 6: Final answer
    x = 86,596.18

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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.