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Finding the Fourth Proportional to 245,762.88, 368,053.80 and 140,262

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Solution

The fourth proportional to 245,762.88, 368,053.80 and 140,262 is: 210,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,762.88 : 368,053.80 = 140,262 : x
  2. Step 2: Convert to fraction form
    245,762.88/368,053.80 = 140,262/x
  3. Step 3: Cross multiply
    245,762.88x = 368,053.80 × 140,262
  4. Step 4: Simplify right side
    245,762.88x = 51,623,962,095.60
  5. Step 5: Solve for x
    x = 51,623,962,095.60/245,762.88
  6. Step 6: Final answer
    x = 210,055.98

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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.