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Finding the Fourth Proportional to 145,706.04, 218,595.51 and 45,862.20

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Solution

The fourth proportional to 145,706.04, 218,595.51 and 45,862.20 is: 68,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,706.04 : 218,595.51 = 45,862.20 : x
  2. Step 2: Convert to fraction form
    145,706.04/218,595.51 = 45,862.20/x
  3. Step 3: Cross multiply
    145,706.04x = 218,595.51 × 45,862.20
  4. Step 4: Simplify right side
    145,706.04x = 10,025,270,998.72
  5. Step 5: Solve for x
    x = 10,025,270,998.72/145,706.04
  6. Step 6: Final answer
    x = 68,804.77

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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.