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Finding the Fourth Proportional to 292,207.77, 403,242.80 and 163,148.22

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Solution

The fourth proportional to 292,207.77, 403,242.80 and 163,148.22 is: 225,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,207.77 : 403,242.80 = 163,148.22 : x
  2. Step 2: Convert to fraction form
    292,207.77/403,242.80 = 163,148.22/x
  3. Step 3: Cross multiply
    292,207.77x = 403,242.80 × 163,148.22
  4. Step 4: Simplify right side
    292,207.77x = 65,788,344,232.07
  5. Step 5: Solve for x
    x = 65,788,344,232.07/292,207.77
  6. Step 6: Final answer
    x = 225,142.35

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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.