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Finding the Fourth Proportional to 356,585.60, 534,903.01 and 103,868.19

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Solution

The fourth proportional to 356,585.60, 534,903.01 and 103,868.19 is: 155,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,585.60 : 534,903.01 = 103,868.19 : x
  2. Step 2: Convert to fraction form
    356,585.60/534,903.01 = 103,868.19/x
  3. Step 3: Cross multiply
    356,585.60x = 534,903.01 × 103,868.19
  4. Step 4: Simplify right side
    356,585.60x = 55,559,404,280.40
  5. Step 5: Solve for x
    x = 55,559,404,280.40/356,585.60
  6. Step 6: Final answer
    x = 155,809.45

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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.