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Finding the Fourth Proportional to 183,785.40, 275,678.10 and 152,681.40

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Solution

The fourth proportional to 183,785.40, 275,678.10 and 152,681.40 is: 229,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,785.40 : 275,678.10 = 152,681.40 : x
  2. Step 2: Convert to fraction form
    183,785.40/275,678.10 = 152,681.40/x
  3. Step 3: Cross multiply
    183,785.40x = 275,678.10 × 152,681.40
  4. Step 4: Simplify right side
    183,785.40x = 42,090,918,257.34
  5. Step 5: Solve for x
    x = 42,090,918,257.34/183,785.40
  6. Step 6: Final answer
    x = 229,022.10

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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.