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Finding the Fourth Proportional to 118,347.01, 163,319.47 and 64,632.02

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Solution

The fourth proportional to 118,347.01, 163,319.47 and 64,632.02 is: 89,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.01 : 163,319.47 = 64,632.02 : x
  2. Step 2: Convert to fraction form
    118,347.01/163,319.47 = 64,632.02/x
  3. Step 3: Cross multiply
    118,347.01x = 163,319.47 × 64,632.02
  4. Step 4: Simplify right side
    118,347.01x = 10,555,666,273.25
  5. Step 5: Solve for x
    x = 10,555,666,273.25/118,347.01
  6. Step 6: Final answer
    x = 89,192.51

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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.