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Finding the Fourth Proportional to 118,645.01, 163,806.53 and 105,876.24

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Solution

The fourth proportional to 118,645.01, 163,806.53 and 105,876.24 is: 146,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,645.01 : 163,806.53 = 105,876.24 : x
  2. Step 2: Convert to fraction form
    118,645.01/163,806.53 = 105,876.24/x
  3. Step 3: Cross multiply
    118,645.01x = 163,806.53 × 105,876.24
  4. Step 4: Simplify right side
    118,645.01x = 17,343,219,483.85
  5. Step 5: Solve for x
    x = 17,343,219,483.85/118,645.01
  6. Step 6: Final answer
    x = 146,177.40

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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.