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Finding the Fourth Proportional to 127,124.63, 174,809.90 and 110,328.47

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Solution

The fourth proportional to 127,124.63, 174,809.90 and 110,328.47 is: 151,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.63 : 174,809.90 = 110,328.47 : x
  2. Step 2: Convert to fraction form
    127,124.63/174,809.90 = 110,328.47/x
  3. Step 3: Cross multiply
    127,124.63x = 174,809.90 × 110,328.47
  4. Step 4: Simplify right side
    127,124.63x = 19,286,508,807.85
  5. Step 5: Solve for x
    x = 19,286,508,807.85/127,124.63
  6. Step 6: Final answer
    x = 151,713.39

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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.