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Finding the Fourth Proportional to 144,807.44, 199,831.02 and 84,374.32

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Solution

The fourth proportional to 144,807.44, 199,831.02 and 84,374.32 is: 116,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,807.44 : 199,831.02 = 84,374.32 : x
  2. Step 2: Convert to fraction form
    144,807.44/199,831.02 = 84,374.32/x
  3. Step 3: Cross multiply
    144,807.44x = 199,831.02 × 84,374.32
  4. Step 4: Simplify right side
    144,807.44x = 16,860,606,427.41
  5. Step 5: Solve for x
    x = 16,860,606,427.41/144,807.44
  6. Step 6: Final answer
    x = 116,434.67

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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.