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Finding the Fourth Proportional to 201,358,649.20, 302,037,973.80 and 169,047,036.40

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Solution

The fourth proportional to 201,358,649.20, 302,037,973.80 and 169,047,036.40 is: 253,570,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,358,649.20 : 302,037,973.80 = 169,047,036.40 : x
  2. Step 2: Convert to fraction form
    201,358,649.20/302,037,973.80 = 169,047,036.40/x
  3. Step 3: Cross multiply
    201,358,649.20x = 302,037,973.80 × 169,047,036.40
  4. Step 4: Simplify right side
    201,358,649.20x = 51,058,624,351,150,848
  5. Step 5: Solve for x
    x = 51,058,624,351,150,848/201,358,649.20
  6. Step 6: Final answer
    x = 253,570,554.60

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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.