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Finding the Fourth Proportional to 10,080,460.35, 15,120,690.53 and 10,080,460.35

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Solution

The fourth proportional to 10,080,460.35, 15,120,690.53 and 10,080,460.35 is: 15,120,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,460.35 : 15,120,690.53 = 10,080,460.35 : x
  2. Step 2: Convert to fraction form
    10,080,460.35/15,120,690.53 = 10,080,460.35/x
  3. Step 3: Cross multiply
    10,080,460.35x = 15,120,690.53 × 10,080,460.35
  4. Step 4: Simplify right side
    10,080,460.35x = 152,423,521,301,883.19
  5. Step 5: Solve for x
    x = 152,423,521,301,883.19/10,080,460.35
  6. Step 6: Final answer
    x = 15,120,690.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.