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Finding the Fourth Proportional to 114,884.68, 158,555.10 and 64,583.68

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Solution

The fourth proportional to 114,884.68, 158,555.10 and 64,583.68 is: 89,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,884.68 : 158,555.10 = 64,583.68 : x
  2. Step 2: Convert to fraction form
    114,884.68/158,555.10 = 64,583.68/x
  3. Step 3: Cross multiply
    114,884.68x = 158,555.10 × 64,583.68
  4. Step 4: Simplify right side
    114,884.68x = 10,240,071,840.77
  5. Step 5: Solve for x
    x = 10,240,071,840.77/114,884.68
  6. Step 6: Final answer
    x = 89,133.48

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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.