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Finding the Fourth Proportional to 153,508.44, 210,307.28 and 147,755.72

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Solution

The fourth proportional to 153,508.44, 210,307.28 and 147,755.72 is: 202,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,508.44 : 210,307.28 = 147,755.72 : x
  2. Step 2: Convert to fraction form
    153,508.44/210,307.28 = 147,755.72/x
  3. Step 3: Cross multiply
    153,508.44x = 210,307.28 × 147,755.72
  4. Step 4: Simplify right side
    153,508.44x = 31,074,103,577.64
  5. Step 5: Solve for x
    x = 31,074,103,577.64/153,508.44
  6. Step 6: Final answer
    x = 202,426.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.