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Finding the Fourth Proportional to 253,095.47, 349,279.04 and 139,925.51

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Solution

The fourth proportional to 253,095.47, 349,279.04 and 139,925.51 is: 193,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,095.47 : 349,279.04 = 139,925.51 : x
  2. Step 2: Convert to fraction form
    253,095.47/349,279.04 = 139,925.51/x
  3. Step 3: Cross multiply
    253,095.47x = 349,279.04 × 139,925.51
  4. Step 4: Simplify right side
    253,095.47x = 48,873,047,717.53
  5. Step 5: Solve for x
    x = 48,873,047,717.53/253,095.47
  6. Step 6: Final answer
    x = 193,101.24

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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.