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Finding the Fourth Proportional to 99,090,699.60, 148,636,049.40 and 99,090,699.60

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Solution

The fourth proportional to 99,090,699.60, 148,636,049.40 and 99,090,699.60 is: 148,636,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,090,699.60 : 148,636,049.40 = 99,090,699.60 : x
  2. Step 2: Convert to fraction form
    99,090,699.60/148,636,049.40 = 99,090,699.60/x
  3. Step 3: Cross multiply
    99,090,699.60x = 148,636,049.40 × 99,090,699.60
  4. Step 4: Simplify right side
    99,090,699.60x = 14,728,450,120,826,160
  5. Step 5: Solve for x
    x = 14,728,450,120,826,160/99,090,699.60
  6. Step 6: Final answer
    x = 148,636,049.40

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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.