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Finding the Fourth Proportional to 202,547.04, 279,510 and 111,911.68

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Solution

The fourth proportional to 202,547.04, 279,510 and 111,911.68 is: 154,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,547.04 : 279,510 = 111,911.68 : x
  2. Step 2: Convert to fraction form
    202,547.04/279,510 = 111,911.68/x
  3. Step 3: Cross multiply
    202,547.04x = 279,510 × 111,911.68
  4. Step 4: Simplify right side
    202,547.04x = 31,280,433,676.80
  5. Step 5: Solve for x
    x = 31,280,433,676.80/202,547.04
  6. Step 6: Final answer
    x = 154,435.40

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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.