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Finding the Fourth Proportional to 163,308,829.20, 244,963,243.80 and 144,176,953.20

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Solution

The fourth proportional to 163,308,829.20, 244,963,243.80 and 144,176,953.20 is: 216,265,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,308,829.20 : 244,963,243.80 = 144,176,953.20 : x
  2. Step 2: Convert to fraction form
    163,308,829.20/244,963,243.80 = 144,176,953.20/x
  3. Step 3: Cross multiply
    163,308,829.20x = 244,963,243.80 × 144,176,953.20
  4. Step 4: Simplify right side
    163,308,829.20x = 35,318,054,137,072,788
  5. Step 5: Solve for x
    x = 35,318,054,137,072,788/163,308,829.20
  6. Step 6: Final answer
    x = 216,265,429.80

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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.