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Finding the Fourth Proportional to 127,047.69, 175,302.63 and 73,313.10

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Solution

The fourth proportional to 127,047.69, 175,302.63 and 73,313.10 is: 101,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,047.69 : 175,302.63 = 73,313.10 : x
  2. Step 2: Convert to fraction form
    127,047.69/175,302.63 = 73,313.10/x
  3. Step 3: Cross multiply
    127,047.69x = 175,302.63 × 73,313.10
  4. Step 4: Simplify right side
    127,047.69x = 12,851,979,243.45
  5. Step 5: Solve for x
    x = 12,851,979,243.45/127,047.69
  6. Step 6: Final answer
    x = 101,158.70

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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.