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Finding the Fourth Proportional to 114,040.63, 171,070.07 and 39,130.63

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Solution

The fourth proportional to 114,040.63, 171,070.07 and 39,130.63 is: 58,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040.63 : 171,070.07 = 39,130.63 : x
  2. Step 2: Convert to fraction form
    114,040.63/171,070.07 = 39,130.63/x
  3. Step 3: Cross multiply
    114,040.63x = 171,070.07 × 39,130.63
  4. Step 4: Simplify right side
    114,040.63x = 6,694,079,417.59
  5. Step 5: Solve for x
    x = 6,694,079,417.59/114,040.63
  6. Step 6: Final answer
    x = 58,699.07

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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.