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Finding the Fourth Proportional to 180,203.01, 248,412.47 and 154,585.95

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Solution

The fourth proportional to 180,203.01, 248,412.47 and 154,585.95 is: 213,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,203.01 : 248,412.47 = 154,585.95 : x
  2. Step 2: Convert to fraction form
    180,203.01/248,412.47 = 154,585.95/x
  3. Step 3: Cross multiply
    180,203.01x = 248,412.47 × 154,585.95
  4. Step 4: Simplify right side
    180,203.01x = 38,401,076,893.87
  5. Step 5: Solve for x
    x = 38,401,076,893.87/180,203.01
  6. Step 6: Final answer
    x = 213,098.98

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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.