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Finding the Fourth Proportional to 147,744,672.40, 221,617,008.60 and 147,744,672.40

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Solution

The fourth proportional to 147,744,672.40, 221,617,008.60 and 147,744,672.40 is: 221,617,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,672.40 : 221,617,008.60 = 147,744,672.40 : x
  2. Step 2: Convert to fraction form
    147,744,672.40/221,617,008.60 = 147,744,672.40/x
  3. Step 3: Cross multiply
    147,744,672.40x = 221,617,008.60 × 147,744,672.40
  4. Step 4: Simplify right side
    147,744,672.40x = 32,742,732,333,874,984
  5. Step 5: Solve for x
    x = 32,742,732,333,874,984/147,744,672.40
  6. Step 6: Final answer
    x = 221,617,008.60

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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.