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Finding the Fourth Proportional to 106,866.78, 159,510.93 and 94,259.67

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Solution

The fourth proportional to 106,866.78, 159,510.93 and 94,259.67 is: 140,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,866.78 : 159,510.93 = 94,259.67 : x
  2. Step 2: Convert to fraction form
    106,866.78/159,510.93 = 94,259.67/x
  3. Step 3: Cross multiply
    106,866.78x = 159,510.93 × 94,259.67
  4. Step 4: Simplify right side
    106,866.78x = 15,035,447,623.19
  5. Step 5: Solve for x
    x = 15,035,447,623.19/106,866.78
  6. Step 6: Final answer
    x = 140,693.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.