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Finding the Fourth Proportional to 113,798.68, 157,004.73 and 73,536.16

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Solution

The fourth proportional to 113,798.68, 157,004.73 and 73,536.16 is: 101,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.68 : 157,004.73 = 73,536.16 : x
  2. Step 2: Convert to fraction form
    113,798.68/157,004.73 = 73,536.16/x
  3. Step 3: Cross multiply
    113,798.68x = 157,004.73 × 73,536.16
  4. Step 4: Simplify right side
    113,798.68x = 11,545,524,946.04
  5. Step 5: Solve for x
    x = 11,545,524,946.04/113,798.68
  6. Step 6: Final answer
    x = 101,455.70

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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.