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Finding the Fourth Proportional to 130,054.16, 179,468.48 and 73,473.68

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Solution

The fourth proportional to 130,054.16, 179,468.48 and 73,473.68 is: 101,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,054.16 : 179,468.48 = 73,473.68 : x
  2. Step 2: Convert to fraction form
    130,054.16/179,468.48 = 73,473.68/x
  3. Step 3: Cross multiply
    130,054.16x = 179,468.48 × 73,473.68
  4. Step 4: Simplify right side
    130,054.16x = 13,186,209,669.61
  5. Step 5: Solve for x
    x = 13,186,209,669.61/130,054.16
  6. Step 6: Final answer
    x = 101,390.14

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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.