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Finding the Fourth Proportional to 233,307.40, 349,701.90 and 128,201.80

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Solution

The fourth proportional to 233,307.40, 349,701.90 and 128,201.80 is: 192,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,307.40 : 349,701.90 = 128,201.80 : x
  2. Step 2: Convert to fraction form
    233,307.40/349,701.90 = 128,201.80/x
  3. Step 3: Cross multiply
    233,307.40x = 349,701.90 × 128,201.80
  4. Step 4: Simplify right side
    233,307.40x = 44,832,413,043.42
  5. Step 5: Solve for x
    x = 44,832,413,043.42/233,307.40
  6. Step 6: Final answer
    x = 192,160.27

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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.