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Finding the Fourth Proportional to 145,356.54, 217,988.73 and 46,837.50

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Solution

The fourth proportional to 145,356.54, 217,988.73 and 46,837.50 is: 70,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,356.54 : 217,988.73 = 46,837.50 : x
  2. Step 2: Convert to fraction form
    145,356.54/217,988.73 = 46,837.50/x
  3. Step 3: Cross multiply
    145,356.54x = 217,988.73 × 46,837.50
  4. Step 4: Simplify right side
    145,356.54x = 10,210,047,141.38
  5. Step 5: Solve for x
    x = 10,210,047,141.38/145,356.54
  6. Step 6: Final answer
    x = 70,241.40

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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.