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Finding the Fourth Proportional to 249,148,051.20, 373,722,076.80 and 249,148,051.20

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Solution

The fourth proportional to 249,148,051.20, 373,722,076.80 and 249,148,051.20 is: 373,722,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,148,051.20 : 373,722,076.80 = 249,148,051.20 : x
  2. Step 2: Convert to fraction form
    249,148,051.20/373,722,076.80 = 249,148,051.20/x
  3. Step 3: Cross multiply
    249,148,051.20x = 373,722,076.80 × 249,148,051.20
  4. Step 4: Simplify right side
    249,148,051.20x = 93,112,127,125,136,736
  5. Step 5: Solve for x
    x = 93,112,127,125,136,736/249,148,051.20
  6. Step 6: Final answer
    x = 373,722,076.80

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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.