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Finding the Fourth Proportional to 70,689.99, 97,479.85 and 46,807.95

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Solution

The fourth proportional to 70,689.99, 97,479.85 and 46,807.95 is: 64,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,689.99 : 97,479.85 = 46,807.95 : x
  2. Step 2: Convert to fraction form
    70,689.99/97,479.85 = 46,807.95/x
  3. Step 3: Cross multiply
    70,689.99x = 97,479.85 × 46,807.95
  4. Step 4: Simplify right side
    70,689.99x = 4,562,831,944.81
  5. Step 5: Solve for x
    x = 4,562,831,944.81/70,689.99
  6. Step 6: Final answer
    x = 64,547.07

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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.