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Finding the Fourth Proportional to 144,510.01, 199,490.76 and 84,058.63

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Solution

The fourth proportional to 144,510.01, 199,490.76 and 84,058.63 is: 116,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,510.01 : 199,490.76 = 84,058.63 : x
  2. Step 2: Convert to fraction form
    144,510.01/199,490.76 = 84,058.63/x
  3. Step 3: Cross multiply
    144,510.01x = 199,490.76 × 84,058.63
  4. Step 4: Simplify right side
    144,510.01x = 16,768,919,983.26
  5. Step 5: Solve for x
    x = 16,768,919,983.26/144,510.01
  6. Step 6: Final answer
    x = 116,039.85

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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.