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Finding the Fourth Proportional to 98,970.99, 148,465.08 and 27,894.10

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Solution

The fourth proportional to 98,970.99, 148,465.08 and 27,894.10 is: 41,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,970.99 : 148,465.08 = 27,894.10 : x
  2. Step 2: Convert to fraction form
    98,970.99/148,465.08 = 27,894.10/x
  3. Step 3: Cross multiply
    98,970.99x = 148,465.08 × 27,894.10
  4. Step 4: Simplify right side
    98,970.99x = 4,141,299,045.70
  5. Step 5: Solve for x
    x = 4,141,299,045.70/98,970.99
  6. Step 6: Final answer
    x = 41,843.57

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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.