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Finding the Fourth Proportional to 157,154.48, 235,730.48 and 104,084

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Solution

The fourth proportional to 157,154.48, 235,730.48 and 104,084 is: 156,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,154.48 : 235,730.48 = 104,084 : x
  2. Step 2: Convert to fraction form
    157,154.48/235,730.48 = 104,084/x
  3. Step 3: Cross multiply
    157,154.48x = 235,730.48 × 104,084
  4. Step 4: Simplify right side
    157,154.48x = 24,535,771,280.32
  5. Step 5: Solve for x
    x = 24,535,771,280.32/157,154.48
  6. Step 6: Final answer
    x = 156,125.18

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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.