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Finding the Fourth Proportional to 115,275.99, 172,925.51 and 35,313.03

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Solution

The fourth proportional to 115,275.99, 172,925.51 and 35,313.03 is: 52,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,275.99 : 172,925.51 = 35,313.03 : x
  2. Step 2: Convert to fraction form
    115,275.99/172,925.51 = 35,313.03/x
  3. Step 3: Cross multiply
    115,275.99x = 172,925.51 × 35,313.03
  4. Step 4: Simplify right side
    115,275.99x = 6,106,523,545.83
  5. Step 5: Solve for x
    x = 6,106,523,545.83/115,275.99
  6. Step 6: Final answer
    x = 52,973.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.