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Finding the Fourth Proportional to 116,554,400.70, 163,415,039.70 and 116,554,400.70

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Solution

The fourth proportional to 116,554,400.70, 163,415,039.70 and 116,554,400.70 is: 163,415,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,554,400.70 : 163,415,039.70 = 116,554,400.70 : x
  2. Step 2: Convert to fraction form
    116,554,400.70/163,415,039.70 = 116,554,400.70/x
  3. Step 3: Cross multiply
    116,554,400.70x = 163,415,039.70 × 116,554,400.70
  4. Step 4: Simplify right side
    116,554,400.70x = 19,046,742,017,600,208
  5. Step 5: Solve for x
    x = 19,046,742,017,600,208/116,554,400.70
  6. Step 6: Final answer
    x = 163,415,039.70

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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.