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Finding the Fourth Proportional to 30,241,387.30, 45,362,080.95 and 30,241,387.30

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Solution

The fourth proportional to 30,241,387.30, 45,362,080.95 and 30,241,387.30 is: 45,362,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,387.30 : 45,362,080.95 = 30,241,387.30 : x
  2. Step 2: Convert to fraction form
    30,241,387.30/45,362,080.95 = 30,241,387.30/x
  3. Step 3: Cross multiply
    30,241,387.30x = 45,362,080.95 × 30,241,387.30
  4. Step 4: Simplify right side
    30,241,387.30x = 1,371,812,258,742,902
  5. Step 5: Solve for x
    x = 1,371,812,258,742,902/30,241,387.30
  6. Step 6: Final answer
    x = 45,362,080.95

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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.