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Finding the Fourth Proportional to 58,438,088.68, 80,624,978.88 and 33,657,779.32

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Solution

The fourth proportional to 58,438,088.68, 80,624,978.88 and 33,657,779.32 is: 46,436,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438,088.68 : 80,624,978.88 = 33,657,779.32 : x
  2. Step 2: Convert to fraction form
    58,438,088.68/80,624,978.88 = 33,657,779.32/x
  3. Step 3: Cross multiply
    58,438,088.68x = 80,624,978.88 × 33,657,779.32
  4. Step 4: Simplify right side
    58,438,088.68x = 2,713,657,746,822,700.50
  5. Step 5: Solve for x
    x = 2,713,657,746,822,700.50/58,438,088.68
  6. Step 6: Final answer
    x = 46,436,456.22

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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.