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Finding the Fourth Proportional to 114,707.77, 172,061.66 and 44,603.48

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Solution

The fourth proportional to 114,707.77, 172,061.66 and 44,603.48 is: 66,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,707.77 : 172,061.66 = 44,603.48 : x
  2. Step 2: Convert to fraction form
    114,707.77/172,061.66 = 44,603.48/x
  3. Step 3: Cross multiply
    114,707.77x = 172,061.66 × 44,603.48
  4. Step 4: Simplify right side
    114,707.77x = 7,674,549,352.24
  5. Step 5: Solve for x
    x = 7,674,549,352.24/114,707.77
  6. Step 6: Final answer
    x = 66,905.23

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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.