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Finding the Fourth Proportional to 170,864.01, 235,903.19 and 152,927.91

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Solution

The fourth proportional to 170,864.01, 235,903.19 and 152,927.91 is: 211,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864.01 : 235,903.19 = 152,927.91 : x
  2. Step 2: Convert to fraction form
    170,864.01/235,903.19 = 152,927.91/x
  3. Step 3: Cross multiply
    170,864.01x = 235,903.19 × 152,927.91
  4. Step 4: Simplify right side
    170,864.01x = 36,076,181,044.39
  5. Step 5: Solve for x
    x = 36,076,181,044.39/170,864.01
  6. Step 6: Final answer
    x = 211,139.73

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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.