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Finding the Fourth Proportional to 163,032.94, 224,980.14 and 90,435.52

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Solution

The fourth proportional to 163,032.94, 224,980.14 and 90,435.52 is: 124,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,032.94 : 224,980.14 = 90,435.52 : x
  2. Step 2: Convert to fraction form
    163,032.94/224,980.14 = 90,435.52/x
  3. Step 3: Cross multiply
    163,032.94x = 224,980.14 × 90,435.52
  4. Step 4: Simplify right side
    163,032.94x = 20,346,195,950.57
  5. Step 5: Solve for x
    x = 20,346,195,950.57/163,032.94
  6. Step 6: Final answer
    x = 124,798.07

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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.