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Finding the Fourth Proportional to 118,703.86, 177,972.75 and 59,507.23

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Solution

The fourth proportional to 118,703.86, 177,972.75 and 59,507.23 is: 89,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703.86 : 177,972.75 = 59,507.23 : x
  2. Step 2: Convert to fraction form
    118,703.86/177,972.75 = 59,507.23/x
  3. Step 3: Cross multiply
    118,703.86x = 177,972.75 × 59,507.23
  4. Step 4: Simplify right side
    118,703.86x = 10,590,665,070.45
  5. Step 5: Solve for x
    x = 10,590,665,070.45/118,703.86
  6. Step 6: Final answer
    x = 89,219.22

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1.5x scale

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.