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Finding the Fourth Proportional to 98,882.88, 148,220.64 and 46,248

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Solution

The fourth proportional to 98,882.88, 148,220.64 and 46,248 is: 69,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,882.88 : 148,220.64 = 46,248 : x
  2. Step 2: Convert to fraction form
    98,882.88/148,220.64 = 46,248/x
  3. Step 3: Cross multiply
    98,882.88x = 148,220.64 × 46,248
  4. Step 4: Simplify right side
    98,882.88x = 6,854,908,158.72
  5. Step 5: Solve for x
    x = 6,854,908,158.72/98,882.88
  6. Step 6: Final answer
    x = 69,323.51

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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.