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Finding the Fourth Proportional to 254,547.95, 351,264.80 and 152,629.67

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Solution

The fourth proportional to 254,547.95, 351,264.80 and 152,629.67 is: 210,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,547.95 : 351,264.80 = 152,629.67 : x
  2. Step 2: Convert to fraction form
    254,547.95/351,264.80 = 152,629.67/x
  3. Step 3: Cross multiply
    254,547.95x = 351,264.80 × 152,629.67
  4. Step 4: Simplify right side
    254,547.95x = 53,613,428,750.29
  5. Step 5: Solve for x
    x = 53,613,428,750.29/254,547.95
  6. Step 6: Final answer
    x = 210,622.12

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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.