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Finding the Fourth Proportional to 157,666.70, 236,359.40 and 57,803.58

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Solution

The fourth proportional to 157,666.70, 236,359.40 and 57,803.58 is: 86,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.70 : 236,359.40 = 57,803.58 : x
  2. Step 2: Convert to fraction form
    157,666.70/236,359.40 = 57,803.58/x
  3. Step 3: Cross multiply
    157,666.70x = 236,359.40 × 57,803.58
  4. Step 4: Simplify right side
    157,666.70x = 13,662,419,197.63
  5. Step 5: Solve for x
    x = 13,662,419,197.63/157,666.70
  6. Step 6: Final answer
    x = 86,653.80

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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.