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Finding the Fourth Proportional to 127,341.51, 175,723.79 and 73,622.71

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Solution

The fourth proportional to 127,341.51, 175,723.79 and 73,622.71 is: 101,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,341.51 : 175,723.79 = 73,622.71 : x
  2. Step 2: Convert to fraction form
    127,341.51/175,723.79 = 73,622.71/x
  3. Step 3: Cross multiply
    127,341.51x = 175,723.79 × 73,622.71
  4. Step 4: Simplify right side
    127,341.51x = 12,937,261,631.27
  5. Step 5: Solve for x
    x = 12,937,261,631.27/127,341.51
  6. Step 6: Final answer
    x = 101,595.01

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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.