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Finding the Fourth Proportional to 292,080.90, 403,074.72 and 163,031.70

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Solution

The fourth proportional to 292,080.90, 403,074.72 and 163,031.70 is: 224,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,080.90 : 403,074.72 = 163,031.70 : x
  2. Step 2: Convert to fraction form
    292,080.90/403,074.72 = 163,031.70/x
  3. Step 3: Cross multiply
    292,080.90x = 403,074.72 × 163,031.70
  4. Step 4: Simplify right side
    292,080.90x = 65,713,956,828.62
  5. Step 5: Solve for x
    x = 65,713,956,828.62/292,080.90
  6. Step 6: Final answer
    x = 224,985.46

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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.