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Finding the Fourth Proportional to 519,868.80, 779,877.60 and 160,070.10

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Solution

The fourth proportional to 519,868.80, 779,877.60 and 160,070.10 is: 240,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,868.80 : 779,877.60 = 160,070.10 : x
  2. Step 2: Convert to fraction form
    519,868.80/779,877.60 = 160,070.10/x
  3. Step 3: Cross multiply
    519,868.80x = 779,877.60 × 160,070.10
  4. Step 4: Simplify right side
    519,868.80x = 124,835,085,419.76
  5. Step 5: Solve for x
    x = 124,835,085,419.76/519,868.80
  6. Step 6: Final answer
    x = 240,128.06

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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.