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Finding the Fourth Proportional to 127,123.63, 174,808.52 and 110,327.47

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Solution

The fourth proportional to 127,123.63, 174,808.52 and 110,327.47 is: 151,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,123.63 : 174,808.52 = 110,327.47 : x
  2. Step 2: Convert to fraction form
    127,123.63/174,808.52 = 110,327.47/x
  3. Step 3: Cross multiply
    127,123.63x = 174,808.52 × 110,327.47
  4. Step 4: Simplify right side
    127,123.63x = 19,286,181,746.04
  5. Step 5: Solve for x
    x = 19,286,181,746.04/127,123.63
  6. Step 6: Final answer
    x = 151,712.01

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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.