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Finding the Fourth Proportional to 153,662.94, 211,572.30 and 130,647.50

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Solution

The fourth proportional to 153,662.94, 211,572.30 and 130,647.50 is: 179,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,662.94 : 211,572.30 = 130,647.50 : x
  2. Step 2: Convert to fraction form
    153,662.94/211,572.30 = 130,647.50/x
  3. Step 3: Cross multiply
    153,662.94x = 211,572.30 × 130,647.50
  4. Step 4: Simplify right side
    153,662.94x = 27,641,392,064.25
  5. Step 5: Solve for x
    x = 27,641,392,064.25/153,662.94
  6. Step 6: Final answer
    x = 179,883.27

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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.