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Finding the Fourth Proportional to 116,302.95, 160,501.95 and 65,324.67

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Solution

The fourth proportional to 116,302.95, 160,501.95 and 65,324.67 is: 90,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,302.95 : 160,501.95 = 65,324.67 : x
  2. Step 2: Convert to fraction form
    116,302.95/160,501.95 = 65,324.67/x
  3. Step 3: Cross multiply
    116,302.95x = 160,501.95 × 65,324.67
  4. Step 4: Simplify right side
    116,302.95x = 10,484,736,918.11
  5. Step 5: Solve for x
    x = 10,484,736,918.11/116,302.95
  6. Step 6: Final answer
    x = 90,150.22

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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.