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Finding the Fourth Proportional to 155,280.01, 214,294.11 and 94,840.87

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Solution

The fourth proportional to 155,280.01, 214,294.11 and 94,840.87 is: 130,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280.01 : 214,294.11 = 94,840.87 : x
  2. Step 2: Convert to fraction form
    155,280.01/214,294.11 = 94,840.87/x
  3. Step 3: Cross multiply
    155,280.01x = 214,294.11 × 94,840.87
  4. Step 4: Simplify right side
    155,280.01x = 20,323,838,756.81
  5. Step 5: Solve for x
    x = 20,323,838,756.81/155,280.01
  6. Step 6: Final answer
    x = 130,885.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.