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Finding the Fourth Proportional to 248,834,681.80, 373,252,022.70 and 153,150,483.40

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Solution

The fourth proportional to 248,834,681.80, 373,252,022.70 and 153,150,483.40 is: 229,725,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,834,681.80 : 373,252,022.70 = 153,150,483.40 : x
  2. Step 2: Convert to fraction form
    248,834,681.80/373,252,022.70 = 153,150,483.40/x
  3. Step 3: Cross multiply
    248,834,681.80x = 373,252,022.70 × 153,150,483.40
  4. Step 4: Simplify right side
    248,834,681.80x = 57,163,727,706,532,776
  5. Step 5: Solve for x
    x = 57,163,727,706,532,776/248,834,681.80
  6. Step 6: Final answer
    x = 229,725,725.10

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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.