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Finding the Fourth Proportional to 237,065.60, 355,649.60 and 70,870.40

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Solution

The fourth proportional to 237,065.60, 355,649.60 and 70,870.40 is: 106,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,065.60 : 355,649.60 = 70,870.40 : x
  2. Step 2: Convert to fraction form
    237,065.60/355,649.60 = 70,870.40/x
  3. Step 3: Cross multiply
    237,065.60x = 355,649.60 × 70,870.40
  4. Step 4: Simplify right side
    237,065.60x = 25,205,029,411.84
  5. Step 5: Solve for x
    x = 25,205,029,411.84/237,065.60
  6. Step 6: Final answer
    x = 106,320.91

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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.