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Finding the Fourth Proportional to 114,902.94, 172,349.94 and 58,742.40

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Solution

The fourth proportional to 114,902.94, 172,349.94 and 58,742.40 is: 88,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,902.94 : 172,349.94 = 58,742.40 : x
  2. Step 2: Convert to fraction form
    114,902.94/172,349.94 = 58,742.40/x
  3. Step 3: Cross multiply
    114,902.94x = 172,349.94 × 58,742.40
  4. Step 4: Simplify right side
    114,902.94x = 10,124,249,115.46
  5. Step 5: Solve for x
    x = 10,124,249,115.46/114,902.94
  6. Step 6: Final answer
    x = 88,111.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.