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Finding the Fourth Proportional to 157,966, 236,986.44 and 47,160.88

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Solution

The fourth proportional to 157,966, 236,986.44 and 47,160.88 is: 70,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,966 : 236,986.44 = 47,160.88 : x
  2. Step 2: Convert to fraction form
    157,966/236,986.44 = 47,160.88/x
  3. Step 3: Cross multiply
    157,966x = 236,986.44 × 47,160.88
  4. Step 4: Simplify right side
    157,966x = 11,176,489,058.47
  5. Step 5: Solve for x
    x = 11,176,489,058.47/157,966
  6. Step 6: Final answer
    x = 70,752.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.