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Finding the Fourth Proportional to 110,995.04, 153,215.52 and 75,369.44

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Solution

The fourth proportional to 110,995.04, 153,215.52 and 75,369.44 is: 104,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,995.04 : 153,215.52 = 75,369.44 : x
  2. Step 2: Convert to fraction form
    110,995.04/153,215.52 = 75,369.44/x
  3. Step 3: Cross multiply
    110,995.04x = 153,215.52 × 75,369.44
  4. Step 4: Simplify right side
    110,995.04x = 11,547,767,941.71
  5. Step 5: Solve for x
    x = 11,547,767,941.71/110,995.04
  6. Step 6: Final answer
    x = 104,038.59

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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.