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Finding the Fourth Proportional to 99,792,666.60, 149,688,999.90 and 99,792,666.60

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Solution

The fourth proportional to 99,792,666.60, 149,688,999.90 and 99,792,666.60 is: 149,688,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792,666.60 : 149,688,999.90 = 99,792,666.60 : x
  2. Step 2: Convert to fraction form
    99,792,666.60/149,688,999.90 = 99,792,666.60/x
  3. Step 3: Cross multiply
    99,792,666.60x = 149,688,999.90 × 99,792,666.60
  4. Step 4: Simplify right side
    99,792,666.60x = 14,937,864,460,708,134
  5. Step 5: Solve for x
    x = 14,937,864,460,708,134/99,792,666.60
  6. Step 6: Final answer
    x = 149,688,999.90

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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.