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Finding the Fourth Proportional to 116,085.60, 174,128.40 and 56,930.40

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Solution

The fourth proportional to 116,085.60, 174,128.40 and 56,930.40 is: 85,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,085.60 : 174,128.40 = 56,930.40 : x
  2. Step 2: Convert to fraction form
    116,085.60/174,128.40 = 56,930.40/x
  3. Step 3: Cross multiply
    116,085.60x = 174,128.40 × 56,930.40
  4. Step 4: Simplify right side
    116,085.60x = 9,913,199,463.36
  5. Step 5: Solve for x
    x = 9,913,199,463.36/116,085.60
  6. Step 6: Final answer
    x = 85,395.60

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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.