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Finding the Fourth Proportional to 145,486.08, 200,779.08 and 97,004.40

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Solution

The fourth proportional to 145,486.08, 200,779.08 and 97,004.40 is: 133,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,486.08 : 200,779.08 = 97,004.40 : x
  2. Step 2: Convert to fraction form
    145,486.08/200,779.08 = 97,004.40/x
  3. Step 3: Cross multiply
    145,486.08x = 200,779.08 × 97,004.40
  4. Step 4: Simplify right side
    145,486.08x = 19,476,454,187.95
  5. Step 5: Solve for x
    x = 19,476,454,187.95/145,486.08
  6. Step 6: Final answer
    x = 133,871.60

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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.