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Finding the Fourth Proportional to 273,886.02, 377,925.09 and 153,012.18

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Solution

The fourth proportional to 273,886.02, 377,925.09 and 153,012.18 is: 211,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,886.02 : 377,925.09 = 153,012.18 : x
  2. Step 2: Convert to fraction form
    273,886.02/377,925.09 = 153,012.18/x
  3. Step 3: Cross multiply
    273,886.02x = 377,925.09 × 153,012.18
  4. Step 4: Simplify right side
    273,886.02x = 57,827,141,897.60
  5. Step 5: Solve for x
    x = 57,827,141,897.60/273,886.02
  6. Step 6: Final answer
    x = 211,135.79

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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.