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Finding the Fourth Proportional to 172,775.26, 238,430.26 and 97,323.76

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Solution

The fourth proportional to 172,775.26, 238,430.26 and 97,323.76 is: 134,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,775.26 : 238,430.26 = 97,323.76 : x
  2. Step 2: Convert to fraction form
    172,775.26/238,430.26 = 97,323.76/x
  3. Step 3: Cross multiply
    172,775.26x = 238,430.26 × 97,323.76
  4. Step 4: Simplify right side
    172,775.26x = 23,204,929,400.98
  5. Step 5: Solve for x
    x = 23,204,929,400.98/172,775.26
  6. Step 6: Final answer
    x = 134,307.01

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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.