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Finding the Fourth Proportional to 292,065.56, 403,070.73 and 163,029.15

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Solution

The fourth proportional to 292,065.56, 403,070.73 and 163,029.15 is: 224,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,065.56 : 403,070.73 = 163,029.15 : x
  2. Step 2: Convert to fraction form
    292,065.56/403,070.73 = 163,029.15/x
  3. Step 3: Cross multiply
    292,065.56x = 403,070.73 × 163,029.15
  4. Step 4: Simplify right side
    292,065.56x = 65,712,277,890.42
  5. Step 5: Solve for x
    x = 65,712,277,890.42/292,065.56
  6. Step 6: Final answer
    x = 224,991.53

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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.