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Finding the Fourth Proportional to 134,411.33, 185,486.16 and 73,980.67

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Solution

The fourth proportional to 134,411.33, 185,486.16 and 73,980.67 is: 102,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,411.33 : 185,486.16 = 73,980.67 : x
  2. Step 2: Convert to fraction form
    134,411.33/185,486.16 = 73,980.67/x
  3. Step 3: Cross multiply
    134,411.33x = 185,486.16 × 73,980.67
  4. Step 4: Simplify right side
    134,411.33x = 13,722,390,901.81
  5. Step 5: Solve for x
    x = 13,722,390,901.81/134,411.33
  6. Step 6: Final answer
    x = 102,092.52

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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.