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Finding the Fourth Proportional to 111,615.08, 153,923.10 and 73,307.22

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Solution

The fourth proportional to 111,615.08, 153,923.10 and 73,307.22 is: 101,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,615.08 : 153,923.10 = 73,307.22 : x
  2. Step 2: Convert to fraction form
    111,615.08/153,923.10 = 73,307.22/x
  3. Step 3: Cross multiply
    111,615.08x = 153,923.10 × 73,307.22
  4. Step 4: Simplify right side
    111,615.08x = 11,283,674,554.78
  5. Step 5: Solve for x
    x = 11,283,674,554.78/111,615.08
  6. Step 6: Final answer
    x = 101,094.53

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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.