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Finding the Fourth Proportional to 267,038.16, 368,395.40 and 159,554.40

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Solution

The fourth proportional to 267,038.16, 368,395.40 and 159,554.40 is: 220,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,038.16 : 368,395.40 = 159,554.40 : x
  2. Step 2: Convert to fraction form
    267,038.16/368,395.40 = 159,554.40/x
  3. Step 3: Cross multiply
    267,038.16x = 368,395.40 × 159,554.40
  4. Step 4: Simplify right side
    267,038.16x = 58,779,107,009.76
  5. Step 5: Solve for x
    x = 58,779,107,009.76/267,038.16
  6. Step 6: Final answer
    x = 220,115.01

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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.