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Finding the Fourth Proportional to 92,210.76, 138,266.64 and 29,019.06

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Solution

The fourth proportional to 92,210.76, 138,266.64 and 29,019.06 is: 43,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,210.76 : 138,266.64 = 29,019.06 : x
  2. Step 2: Convert to fraction form
    92,210.76/138,266.64 = 29,019.06/x
  3. Step 3: Cross multiply
    92,210.76x = 138,266.64 × 29,019.06
  4. Step 4: Simplify right side
    92,210.76x = 4,012,367,922.16
  5. Step 5: Solve for x
    x = 4,012,367,922.16/92,210.76
  6. Step 6: Final answer
    x = 43,513.01

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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.