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Finding the Fourth Proportional to 153,240.84, 211,476.42 and 92,822.40

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Solution

The fourth proportional to 153,240.84, 211,476.42 and 92,822.40 is: 128,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,240.84 : 211,476.42 = 92,822.40 : x
  2. Step 2: Convert to fraction form
    153,240.84/211,476.42 = 92,822.40/x
  3. Step 3: Cross multiply
    153,240.84x = 211,476.42 × 92,822.40
  4. Step 4: Simplify right side
    153,240.84x = 19,629,748,847.81
  5. Step 5: Solve for x
    x = 19,629,748,847.81/153,240.84
  6. Step 6: Final answer
    x = 128,097.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.