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Finding the Fourth Proportional to 346,056.96, 519,084.48 and 83,400.96

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Solution

The fourth proportional to 346,056.96, 519,084.48 and 83,400.96 is: 125,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,056.96 : 519,084.48 = 83,400.96 : x
  2. Step 2: Convert to fraction form
    346,056.96/519,084.48 = 83,400.96/x
  3. Step 3: Cross multiply
    346,056.96x = 519,084.48 × 83,400.96
  4. Step 4: Simplify right side
    346,056.96x = 43,292,143,953.10
  5. Step 5: Solve for x
    x = 43,292,143,953.10/346,056.96
  6. Step 6: Final answer
    x = 125,101.21

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1.5x scale

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.