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Finding the Fourth Proportional to 292,250.40, 403,300.80 and 158,114.40

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Solution

The fourth proportional to 292,250.40, 403,300.80 and 158,114.40 is: 218,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,250.40 : 403,300.80 = 158,114.40 : x
  2. Step 2: Convert to fraction form
    292,250.40/403,300.80 = 158,114.40/x
  3. Step 3: Cross multiply
    292,250.40x = 403,300.80 × 158,114.40
  4. Step 4: Simplify right side
    292,250.40x = 63,767,664,011.52
  5. Step 5: Solve for x
    x = 63,767,664,011.52/292,250.40
  6. Step 6: Final answer
    x = 218,195.30

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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.