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Finding the Fourth Proportional to 265,036.50, 365,750.37 and 145,804.50

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Solution

The fourth proportional to 265,036.50, 365,750.37 and 145,804.50 is: 201,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,036.50 : 365,750.37 = 145,804.50 : x
  2. Step 2: Convert to fraction form
    265,036.50/365,750.37 = 145,804.50/x
  3. Step 3: Cross multiply
    265,036.50x = 365,750.37 × 145,804.50
  4. Step 4: Simplify right side
    265,036.50x = 53,328,049,822.67
  5. Step 5: Solve for x
    x = 53,328,049,822.67/265,036.50
  6. Step 6: Final answer
    x = 201,210.21

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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.