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Finding the Fourth Proportional to 127,412.51, 175,832.63 and 70,054.22

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Solution

The fourth proportional to 127,412.51, 175,832.63 and 70,054.22 is: 96,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,412.51 : 175,832.63 = 70,054.22 : x
  2. Step 2: Convert to fraction form
    127,412.51/175,832.63 = 70,054.22/x
  3. Step 3: Cross multiply
    127,412.51x = 175,832.63 × 70,054.22
  4. Step 4: Simplify right side
    127,412.51x = 12,317,818,359.92
  5. Step 5: Solve for x
    x = 12,317,818,359.92/127,412.51
  6. Step 6: Final answer
    x = 96,676.68

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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.