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Finding the Fourth Proportional to 130,045.50, 179,477.40 and 73,460.52

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Solution

The fourth proportional to 130,045.50, 179,477.40 and 73,460.52 is: 101,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045.50 : 179,477.40 = 73,460.52 : x
  2. Step 2: Convert to fraction form
    130,045.50/179,477.40 = 73,460.52/x
  3. Step 3: Cross multiply
    130,045.50x = 179,477.40 × 73,460.52
  4. Step 4: Simplify right side
    130,045.50x = 13,184,503,132.25
  5. Step 5: Solve for x
    x = 13,184,503,132.25/130,045.50
  6. Step 6: Final answer
    x = 101,383.77

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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.