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Finding the Fourth Proportional to 201,752.10, 302,628.15 and 162,386.10

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Solution

The fourth proportional to 201,752.10, 302,628.15 and 162,386.10 is: 243,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,752.10 : 302,628.15 = 162,386.10 : x
  2. Step 2: Convert to fraction form
    201,752.10/302,628.15 = 162,386.10/x
  3. Step 3: Cross multiply
    201,752.10x = 302,628.15 × 162,386.10
  4. Step 4: Simplify right side
    201,752.10x = 49,142,605,028.72
  5. Step 5: Solve for x
    x = 49,142,605,028.72/201,752.10
  6. Step 6: Final answer
    x = 243,579.15

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1.5x scale

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.