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Finding the Fourth Proportional to 153,279.83, 211,544.57 and 92,848.70

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Solution

The fourth proportional to 153,279.83, 211,544.57 and 92,848.70 is: 128,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,279.83 : 211,544.57 = 92,848.70 : x
  2. Step 2: Convert to fraction form
    153,279.83/211,544.57 = 92,848.70/x
  3. Step 3: Cross multiply
    153,279.83x = 211,544.57 × 92,848.70
  4. Step 4: Simplify right side
    153,279.83x = 19,641,637,490.96
  5. Step 5: Solve for x
    x = 19,641,637,490.96/153,279.83
  6. Step 6: Final answer
    x = 128,142.35

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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.