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Finding the Fourth Proportional to 94,488.48, 130,272.48 and 77,430.24

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Solution

The fourth proportional to 94,488.48, 130,272.48 and 77,430.24 is: 106,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,488.48 : 130,272.48 = 77,430.24 : x
  2. Step 2: Convert to fraction form
    94,488.48/130,272.48 = 77,430.24/x
  3. Step 3: Cross multiply
    94,488.48x = 130,272.48 × 77,430.24
  4. Step 4: Simplify right side
    94,488.48x = 10,087,029,391.80
  5. Step 5: Solve for x
    x = 10,087,029,391.80/94,488.48
  6. Step 6: Final answer
    x = 106,754.07

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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.