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Finding the Fourth Proportional to 141,801.66, 212,701.89 and 57,561.11

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Solution

The fourth proportional to 141,801.66, 212,701.89 and 57,561.11 is: 86,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,801.66 : 212,701.89 = 57,561.11 : x
  2. Step 2: Convert to fraction form
    141,801.66/212,701.89 = 57,561.11/x
  3. Step 3: Cross multiply
    141,801.66x = 212,701.89 × 57,561.11
  4. Step 4: Simplify right side
    141,801.66x = 12,243,355,823.99
  5. Step 5: Solve for x
    x = 12,243,355,823.99/141,801.66
  6. Step 6: Final answer
    x = 86,341.41

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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.