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Finding the Fourth Proportional to 124,674.99, 172,058.13 and 70,977.31

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Solution

The fourth proportional to 124,674.99, 172,058.13 and 70,977.31 is: 97,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,674.99 : 172,058.13 = 70,977.31 : x
  2. Step 2: Convert to fraction form
    124,674.99/172,058.13 = 70,977.31/x
  3. Step 3: Cross multiply
    124,674.99x = 172,058.13 × 70,977.31
  4. Step 4: Simplify right side
    124,674.99x = 12,212,222,370.74
  5. Step 5: Solve for x
    x = 12,212,222,370.74/124,674.99
  6. Step 6: Final answer
    x = 97,952.46

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1.5x scale

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.