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Finding the Fourth Proportional to 153,277.58, 211,541.47 and 92,846.45

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Solution

The fourth proportional to 153,277.58, 211,541.47 and 92,846.45 is: 128,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,277.58 : 211,541.47 = 92,846.45 : x
  2. Step 2: Convert to fraction form
    153,277.58/211,541.47 = 92,846.45/x
  3. Step 3: Cross multiply
    153,277.58x = 211,541.47 × 92,846.45
  4. Step 4: Simplify right side
    153,277.58x = 19,640,874,517.28
  5. Step 5: Solve for x
    x = 19,640,874,517.28/153,277.58
  6. Step 6: Final answer
    x = 128,139.25

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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.