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Finding the Fourth Proportional to 219,222.30, 328,866.30 and 92,862.30

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Solution

The fourth proportional to 219,222.30, 328,866.30 and 92,862.30 is: 139,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,222.30 : 328,866.30 = 92,862.30 : x
  2. Step 2: Convert to fraction form
    219,222.30/328,866.30 = 92,862.30/x
  3. Step 3: Cross multiply
    219,222.30x = 328,866.30 × 92,862.30
  4. Step 4: Simplify right side
    219,222.30x = 30,539,281,010.49
  5. Step 5: Solve for x
    x = 30,539,281,010.49/219,222.30
  6. Step 6: Final answer
    x = 139,307.37

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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.