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Finding the Fourth Proportional to 216,762.89, 299,235.06 and 163,068.39

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Solution

The fourth proportional to 216,762.89, 299,235.06 and 163,068.39 is: 225,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,762.89 : 299,235.06 = 163,068.39 : x
  2. Step 2: Convert to fraction form
    216,762.89/299,235.06 = 163,068.39/x
  3. Step 3: Cross multiply
    216,762.89x = 299,235.06 × 163,068.39
  4. Step 4: Simplify right side
    216,762.89x = 48,795,779,465.75
  5. Step 5: Solve for x
    x = 48,795,779,465.75/216,762.89
  6. Step 6: Final answer
    x = 225,111.32

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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.