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Finding the Fourth Proportional to 153,554.40, 222,031.80 and 153,554.40

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Solution

The fourth proportional to 153,554.40, 222,031.80 and 153,554.40 is: 222,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,554.40 : 222,031.80 = 153,554.40 : x
  2. Step 2: Convert to fraction form
    153,554.40/222,031.80 = 153,554.40/x
  3. Step 3: Cross multiply
    153,554.40x = 222,031.80 × 153,554.40
  4. Step 4: Simplify right side
    153,554.40x = 34,093,959,829.92
  5. Step 5: Solve for x
    x = 34,093,959,829.92/153,554.40
  6. Step 6: Final answer
    x = 222,031.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.