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Finding the Fourth Proportional to 176,683.40, 265,025.10 and 157,329.80

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Solution

The fourth proportional to 176,683.40, 265,025.10 and 157,329.80 is: 235,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,683.40 : 265,025.10 = 157,329.80 : x
  2. Step 2: Convert to fraction form
    176,683.40/265,025.10 = 157,329.80/x
  3. Step 3: Cross multiply
    176,683.40x = 265,025.10 × 157,329.80
  4. Step 4: Simplify right side
    176,683.40x = 41,696,345,977.98
  5. Step 5: Solve for x
    x = 41,696,345,977.98/176,683.40
  6. Step 6: Final answer
    x = 235,994.70

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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.