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Finding the Fourth Proportional to 114,967.36, 158,654.24 and 64,666.88

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Solution

The fourth proportional to 114,967.36, 158,654.24 and 64,666.88 is: 89,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967.36 : 158,654.24 = 64,666.88 : x
  2. Step 2: Convert to fraction form
    114,967.36/158,654.24 = 64,666.88/x
  3. Step 3: Cross multiply
    114,967.36x = 158,654.24 × 64,666.88
  4. Step 4: Simplify right side
    114,967.36x = 10,259,674,699.57
  5. Step 5: Solve for x
    x = 10,259,674,699.57/114,967.36
  6. Step 6: Final answer
    x = 89,239.89

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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.