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Finding the Fourth Proportional to 153,583.84, 211,898.73 and 89,040.19

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Solution

The fourth proportional to 153,583.84, 211,898.73 and 89,040.19 is: 122,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,583.84 : 211,898.73 = 89,040.19 : x
  2. Step 2: Convert to fraction form
    153,583.84/211,898.73 = 89,040.19/x
  3. Step 3: Cross multiply
    153,583.84x = 211,898.73 × 89,040.19
  4. Step 4: Simplify right side
    153,583.84x = 18,867,503,110.93
  5. Step 5: Solve for x
    x = 18,867,503,110.93/153,583.84
  6. Step 6: Final answer
    x = 122,848.23

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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.