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Finding the Fourth Proportional to 163,547.60, 245,329.32 and 45,216.32

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Solution

The fourth proportional to 163,547.60, 245,329.32 and 45,216.32 is: 67,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,547.60 : 245,329.32 = 45,216.32 : x
  2. Step 2: Convert to fraction form
    163,547.60/245,329.32 = 45,216.32/x
  3. Step 3: Cross multiply
    163,547.60x = 245,329.32 × 45,216.32
  4. Step 4: Simplify right side
    163,547.60x = 11,092,889,038.50
  5. Step 5: Solve for x
    x = 11,092,889,038.50/163,547.60
  6. Step 6: Final answer
    x = 67,826.67

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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.