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Finding the Fourth Proportional to 173,790.21, 239,810.65 and 97,298.67

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Solution

The fourth proportional to 173,790.21, 239,810.65 and 97,298.67 is: 134,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,790.21 : 239,810.65 = 97,298.67 : x
  2. Step 2: Convert to fraction form
    173,790.21/239,810.65 = 97,298.67/x
  3. Step 3: Cross multiply
    173,790.21x = 239,810.65 × 97,298.67
  4. Step 4: Simplify right side
    173,790.21x = 23,333,257,296.84
  5. Step 5: Solve for x
    x = 23,333,257,296.84/173,790.21
  6. Step 6: Final answer
    x = 134,261.06

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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.