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Finding the Fourth Proportional to 216,877.94, 299,250.01 and 140,386.42

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Solution

The fourth proportional to 216,877.94, 299,250.01 and 140,386.42 is: 193,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,877.94 : 299,250.01 = 140,386.42 : x
  2. Step 2: Convert to fraction form
    216,877.94/299,250.01 = 140,386.42/x
  3. Step 3: Cross multiply
    216,877.94x = 299,250.01 × 140,386.42
  4. Step 4: Simplify right side
    216,877.94x = 42,010,638,138.41
  5. Step 5: Solve for x
    x = 42,010,638,138.41/216,877.94
  6. Step 6: Final answer
    x = 193,706.37

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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.