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Finding the Fourth Proportional to 144,724,709.70, 203,152,070.70 and 144,724,709.70

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Solution

The fourth proportional to 144,724,709.70, 203,152,070.70 and 144,724,709.70 is: 203,152,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,724,709.70 : 203,152,070.70 = 144,724,709.70 : x
  2. Step 2: Convert to fraction form
    144,724,709.70/203,152,070.70 = 144,724,709.70/x
  3. Step 3: Cross multiply
    144,724,709.70x = 203,152,070.70 × 144,724,709.70
  4. Step 4: Simplify right side
    144,724,709.70x = 29,401,124,457,011,372
  5. Step 5: Solve for x
    x = 29,401,124,457,011,372/144,724,709.70
  6. Step 6: Final answer
    x = 203,152,070.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.