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Finding the Fourth Proportional to 254,547.45, 351,264.11 and 152,629.16

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Solution

The fourth proportional to 254,547.45, 351,264.11 and 152,629.16 is: 210,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,547.45 : 351,264.11 = 152,629.16 : x
  2. Step 2: Convert to fraction form
    254,547.45/351,264.11 = 152,629.16/x
  3. Step 3: Cross multiply
    254,547.45x = 351,264.11 × 152,629.16
  4. Step 4: Simplify right side
    254,547.45x = 53,613,147,307.18
  5. Step 5: Solve for x
    x = 53,613,147,307.18/254,547.45
  6. Step 6: Final answer
    x = 210,621.43

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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.