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Finding the Fourth Proportional to 105,004.60, 157,506.90 and 49,708.60

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Solution

The fourth proportional to 105,004.60, 157,506.90 and 49,708.60 is: 74,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.60 : 157,506.90 = 49,708.60 : x
  2. Step 2: Convert to fraction form
    105,004.60/157,506.90 = 49,708.60/x
  3. Step 3: Cross multiply
    105,004.60x = 157,506.90 × 49,708.60
  4. Step 4: Simplify right side
    105,004.60x = 7,829,447,489.34
  5. Step 5: Solve for x
    x = 7,829,447,489.34/105,004.60
  6. Step 6: Final answer
    x = 74,562.90

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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.