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Finding the Fourth Proportional to 116,365.13, 160,574.01 and 65,373.86

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Solution

The fourth proportional to 116,365.13, 160,574.01 and 65,373.86 is: 90,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,365.13 : 160,574.01 = 65,373.86 : x
  2. Step 2: Convert to fraction form
    116,365.13/160,574.01 = 65,373.86/x
  3. Step 3: Cross multiply
    116,365.13x = 160,574.01 × 65,373.86
  4. Step 4: Simplify right side
    116,365.13x = 10,497,342,046.51
  5. Step 5: Solve for x
    x = 10,497,342,046.51/116,365.13
  6. Step 6: Final answer
    x = 90,210.38

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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.